[llvm] [CVP]: Fold `icmp eq X, C` to `trunc X to i1` if C=2k+1 and X in [2k, 2k+1] (PR #83829)

via llvm-commits llvm-commits at lists.llvm.org
Sat Mar 9 04:58:15 PST 2024


https://github.com/YanWQ-monad updated https://github.com/llvm/llvm-project/pull/83829

>From 411ab902867d158304ababe1f645d85ba120ca19 Mon Sep 17 00:00:00 2001
From: YanWQ-monad <YanWQmonad at gmail.com>
Date: Mon, 4 Mar 2024 19:23:02 +0800
Subject: [PATCH 1/6] [CVP]: Add tests from rust-lang/rust#121673

---
 .../CorrelatedValuePropagation/icmp.ll        | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll b/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
index 101820a4c65f23..2dde67e274884e 100644
--- a/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
+++ b/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
@@ -1455,3 +1455,63 @@ entry:
   %select = select i1 %cmp1, i1 %cmp2, i1 false
   ret i1 %select
 }
+
+define i1 @test_icmp_eq_on_valid_bool_range(i8 %x) {
+; CHECK-LABEL: @test_icmp_eq_on_valid_bool_range(
+; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i8 [[X:%.*]], 2
+; CHECK-NEXT:    br i1 [[TMP1]], label [[BB1:%.*]], label [[BB2:%.*]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[TMP2:%.*]] = tail call i1 @get_bool()
+; CHECK-NEXT:    br label [[BB3:%.*]]
+; CHECK:       bb1:
+; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i8 [[X]], 1
+; CHECK-NEXT:    br label [[BB3]]
+; CHECK:       bb3:
+; CHECK-NEXT:    [[TMP4:%.*]] = phi i1 [ [[TMP3]], [[BB1]] ], [ [[TMP2]], [[BB2]] ]
+; CHECK-NEXT:    ret i1 [[TMP4]]
+;
+  %1 = icmp ult i8 %x, 2
+  br i1 %1, label %bb1, label %bb2
+
+bb2:
+  %2 = tail call i1 @get_bool()
+  br label %bb3
+
+bb1:
+  %3 = icmp eq i8 %x, 1
+  br label %bb3
+
+bb3:
+  %4 = phi i1 [ %3, %bb1 ], [ %2, %bb2 ]
+  ret i1 %4
+}
+
+define i1 @test_icmp_ne_on_valid_bool_range(i8 %x) {
+; CHECK-LABEL: @test_icmp_ne_on_valid_bool_range(
+; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i8 [[X:%.*]], 2
+; CHECK-NEXT:    br i1 [[TMP1]], label [[BB1:%.*]], label [[BB2:%.*]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[TMP2:%.*]] = tail call i1 @get_bool()
+; CHECK-NEXT:    br label [[BB3:%.*]]
+; CHECK:       bb1:
+; CHECK-NEXT:    [[TMP3:%.*]] = icmp ne i8 [[X]], 0
+; CHECK-NEXT:    br label [[BB3]]
+; CHECK:       bb3:
+; CHECK-NEXT:    [[TMP4:%.*]] = phi i1 [ [[TMP3]], [[BB1]] ], [ [[TMP2]], [[BB2]] ]
+; CHECK-NEXT:    ret i1 [[TMP4]]
+;
+  %1 = icmp ult i8 %x, 2
+  br i1 %1, label %bb1, label %bb2
+
+bb2:
+  %2 = tail call i1 @get_bool()
+  br label %bb3
+
+bb1:
+  %3 = icmp ne i8 %x, 0
+  br label %bb3
+
+bb3:
+  %4 = phi i1 [ %3, %bb1 ], [ %2, %bb2 ]
+  ret i1 %4
+}

>From 2aea11f5bb6490099af4ee630d287e61c763b4a1 Mon Sep 17 00:00:00 2001
From: YanWQ-monad <YanWQmonad at gmail.com>
Date: Mon, 4 Mar 2024 19:30:14 +0800
Subject: [PATCH 2/6] [CVP]: Fold `icmp eq X, C` to `trunc X to i1` if C=2k+1
 and X in [2k, 2k+1]

---
 .../Scalar/CorrelatedValuePropagation.cpp     | 36 +++++++++++++++++++
 .../CorrelatedValuePropagation/icmp.ll        |  8 ++---
 llvm/test/Transforms/JumpThreading/pr33917.ll |  8 ++---
 3 files changed, 44 insertions(+), 8 deletions(-)

diff --git a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
index 490cb7e528eb6f..73be5f0b016603 100644
--- a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
+++ b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
@@ -332,6 +332,39 @@ static bool constantFoldCmp(CmpInst *Cmp, LazyValueInfo *LVI) {
   return true;
 }
 
+/// Given an icmp `icmp eq X, C`,
+/// if we already know that C is 2k+1 and X is in [2k, 2k+1],
+/// then we can fold it to `trunc X to i1`.
+static bool processEqualityICmp(CmpInst *Cmp, LazyValueInfo *LVI) {
+  if (Cmp->getType()->isVectorTy() ||
+      !Cmp->getOperand(0)->getType()->isIntegerTy() || !Cmp->isEquality())
+    return false;
+
+  Value *Op0 = Cmp->getOperand(0);
+  Value *Op1 = Cmp->getOperand(1);
+  ConstantInt *CI = dyn_cast<ConstantInt>(Op1);
+  if (!CI)
+    return false;
+
+  ConstantRange Range =
+      LVI->getConstantRangeAtUse(Cmp->getOperandUse(0), /*UndefAllowed*/ true);
+  APInt RangeSize = Range.getUpper() - Range.getLower();
+  APInt Value = CI->getValue();
+  if (RangeSize != 2 || !Range.contains(Value))
+    return false;
+
+  bool ShouldBeOdd = Cmp->getPredicate() == ICmpInst::Predicate::ICMP_EQ;
+  if ((CI->getValue() & 1) == ShouldBeOdd) {
+    IRBuilder<> B{Cmp};
+    auto *Trunc = B.CreateTruncOrBitCast(Op0, Cmp->getType());
+    Cmp->replaceAllUsesWith(Trunc);
+    Cmp->eraseFromParent();
+    return true;
+  }
+
+  return false;
+}
+
 static bool processCmp(CmpInst *Cmp, LazyValueInfo *LVI) {
   if (constantFoldCmp(Cmp, LVI))
     return true;
@@ -340,6 +373,9 @@ static bool processCmp(CmpInst *Cmp, LazyValueInfo *LVI) {
     if (processICmp(ICmp, LVI))
       return true;
 
+  if (processEqualityICmp(Cmp, LVI))
+      return true;
+
   return false;
 }
 
diff --git a/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll b/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
index 2dde67e274884e..ccfbc274d570ce 100644
--- a/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
+++ b/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
@@ -594,10 +594,10 @@ define void @test_cmp_phi(i8 %a) {
 ; CHECK-NEXT:    br i1 [[C0]], label [[LOOP:%.*]], label [[EXIT:%.*]]
 ; CHECK:       loop:
 ; CHECK-NEXT:    [[P:%.*]] = phi i8 [ [[A]], [[ENTRY:%.*]] ], [ [[B:%.*]], [[LOOP]] ]
-; CHECK-NEXT:    [[C1:%.*]] = icmp ne i8 [[P]], 0
+; CHECK-NEXT:    [[TMP0:%.*]] = trunc i8 [[P]] to i1
 ; CHECK-NEXT:    [[C4:%.*]] = call i1 @get_bool()
 ; CHECK-NEXT:    [[B]] = zext i1 [[C4]] to i8
-; CHECK-NEXT:    br i1 [[C1]], label [[LOOP]], label [[EXIT]]
+; CHECK-NEXT:    br i1 [[TMP0]], label [[LOOP]], label [[EXIT]]
 ; CHECK:       exit:
 ; CHECK-NEXT:    ret void
 ;
@@ -1464,7 +1464,7 @@ define i1 @test_icmp_eq_on_valid_bool_range(i8 %x) {
 ; CHECK-NEXT:    [[TMP2:%.*]] = tail call i1 @get_bool()
 ; CHECK-NEXT:    br label [[BB3:%.*]]
 ; CHECK:       bb1:
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i8 [[X]], 1
+; CHECK-NEXT:    [[TMP3:%.*]] = trunc i8 [[X]] to i1
 ; CHECK-NEXT:    br label [[BB3]]
 ; CHECK:       bb3:
 ; CHECK-NEXT:    [[TMP4:%.*]] = phi i1 [ [[TMP3]], [[BB1]] ], [ [[TMP2]], [[BB2]] ]
@@ -1494,7 +1494,7 @@ define i1 @test_icmp_ne_on_valid_bool_range(i8 %x) {
 ; CHECK-NEXT:    [[TMP2:%.*]] = tail call i1 @get_bool()
 ; CHECK-NEXT:    br label [[BB3:%.*]]
 ; CHECK:       bb1:
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ne i8 [[X]], 0
+; CHECK-NEXT:    [[TMP3:%.*]] = trunc i8 [[X]] to i1
 ; CHECK-NEXT:    br label [[BB3]]
 ; CHECK:       bb3:
 ; CHECK-NEXT:    [[TMP4:%.*]] = phi i1 [ [[TMP3]], [[BB1]] ], [ [[TMP2]], [[BB2]] ]
diff --git a/llvm/test/Transforms/JumpThreading/pr33917.ll b/llvm/test/Transforms/JumpThreading/pr33917.ll
index 7d21a4e1781519..20380c769bf173 100644
--- a/llvm/test/Transforms/JumpThreading/pr33917.ll
+++ b/llvm/test/Transforms/JumpThreading/pr33917.ll
@@ -15,16 +15,16 @@ define void @patatino() personality ptr @rust_eh_personality {
 ; CHECK-LABEL: @patatino(
 ; CHECK-NEXT:  bb9:
 ; CHECK-NEXT:    [[T9:%.*]] = invoke ptr @foo()
-; CHECK-NEXT:    to label [[GOOD:%.*]] unwind label [[BAD:%.*]]
+; CHECK-NEXT:            to label [[GOOD:%.*]] unwind label [[BAD:%.*]]
 ; CHECK:       bad:
 ; CHECK-NEXT:    [[T10:%.*]] = landingpad { ptr, i32 }
-; CHECK-NEXT:    cleanup
+; CHECK-NEXT:            cleanup
 ; CHECK-NEXT:    resume { ptr, i32 } [[T10]]
 ; CHECK:       good:
 ; CHECK-NEXT:    [[T11:%.*]] = icmp ne ptr [[T9]], null
 ; CHECK-NEXT:    [[T12:%.*]] = zext i1 [[T11]] to i64
-; CHECK-NEXT:    [[COND:%.*]] = icmp eq i64 [[T12]], 1
-; CHECK-NEXT:    br i1 [[COND]], label [[IF_TRUE:%.*]], label [[DONE:%.*]]
+; CHECK-NEXT:    [[TMP0:%.*]] = trunc i64 [[T12]] to i1
+; CHECK-NEXT:    br i1 [[TMP0]], label [[IF_TRUE:%.*]], label [[DONE:%.*]]
 ; CHECK:       if_true:
 ; CHECK-NEXT:    call void @llvm.assume(i1 [[T11]])
 ; CHECK-NEXT:    br label [[DONE]]

>From bf8d241f6a066d2a8b28ae5a3cf8fa6ea0f19b5f Mon Sep 17 00:00:00 2001
From: YanWQ-monad <YanWQmonad at gmail.com>
Date: Mon, 4 Mar 2024 19:44:54 +0800
Subject: [PATCH 3/6] Fix format

---
 llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
index 73be5f0b016603..a3c078d82ee3dc 100644
--- a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
+++ b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
@@ -374,7 +374,7 @@ static bool processCmp(CmpInst *Cmp, LazyValueInfo *LVI) {
       return true;
 
   if (processEqualityICmp(Cmp, LVI))
-      return true;
+    return true;
 
   return false;
 }

>From bc03a0809b3649f21f78b8294c2a783b93cb6ac6 Mon Sep 17 00:00:00 2001
From: YanWQ-monad <YanWQmonad at gmail.com>
Date: Mon, 4 Mar 2024 20:28:19 +0800
Subject: [PATCH 4/6] Refactor the code based on review

---
 .../Scalar/CorrelatedValuePropagation.cpp     | 72 +++++++++----------
 1 file changed, 36 insertions(+), 36 deletions(-)

diff --git a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
index a3c078d82ee3dc..db6309d8b82cd3 100644
--- a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
+++ b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
@@ -34,6 +34,7 @@
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Operator.h"
 #include "llvm/IR/PassManager.h"
+#include "llvm/IR/PatternMatch.h"
 #include "llvm/IR/Type.h"
 #include "llvm/IR/Value.h"
 #include "llvm/Support/Casting.h"
@@ -44,6 +45,7 @@
 #include <utility>
 
 using namespace llvm;
+using namespace llvm::PatternMatch;
 
 #define DEBUG_TYPE "correlated-value-propagation"
 
@@ -285,7 +287,41 @@ static bool processPHI(PHINode *P, LazyValueInfo *LVI, DominatorTree *DT,
   return Changed;
 }
 
+/// Given an icmp `icmp eq X, C`,
+/// if we already know that C is 2k+1 and X is in [2k, 2k+1],
+/// then we can fold it to `trunc X to i1`.
+static bool processEqualityICmp(ICmpInst *Cmp, LazyValueInfo *LVI) {
+  if (Cmp->getType()->isVectorTy() ||
+      !Cmp->getOperand(0)->getType()->isIntegerTy() || !Cmp->isEquality())
+    return false;
+
+  Value *Op0 = Cmp->getOperand(0);
+  const APInt *RHSC;
+  if (!match(Cmp->getOperand(1), m_APInt(RHSC)))
+    return false;
+
+  ConstantRange Range =
+      LVI->getConstantRangeAtUse(Cmp->getOperandUse(0), /*UndefAllowed*/ true);
+  APInt RangeSize = Range.getUpper() - Range.getLower();
+  if (RangeSize != 2 || !Range.contains(*RHSC))
+    return false;
+
+  bool ShouldBeOdd = Cmp->getPredicate() == ICmpInst::Predicate::ICMP_EQ;
+  if ((*RHSC)[0] == ShouldBeOdd) {
+    IRBuilder<> B{Cmp};
+    Value *Trunc = B.CreateTrunc(Op0, Cmp->getType());
+    Cmp->replaceAllUsesWith(Trunc);
+    Cmp->eraseFromParent();
+    return true;
+  }
+
+  return false;
+}
+
 static bool processICmp(ICmpInst *Cmp, LazyValueInfo *LVI) {
+  if (processEqualityICmp(Cmp, LVI))
+    return true;
+
   // Only for signed relational comparisons of scalar integers.
   if (Cmp->getType()->isVectorTy() ||
       !Cmp->getOperand(0)->getType()->isIntegerTy())
@@ -332,39 +368,6 @@ static bool constantFoldCmp(CmpInst *Cmp, LazyValueInfo *LVI) {
   return true;
 }
 
-/// Given an icmp `icmp eq X, C`,
-/// if we already know that C is 2k+1 and X is in [2k, 2k+1],
-/// then we can fold it to `trunc X to i1`.
-static bool processEqualityICmp(CmpInst *Cmp, LazyValueInfo *LVI) {
-  if (Cmp->getType()->isVectorTy() ||
-      !Cmp->getOperand(0)->getType()->isIntegerTy() || !Cmp->isEquality())
-    return false;
-
-  Value *Op0 = Cmp->getOperand(0);
-  Value *Op1 = Cmp->getOperand(1);
-  ConstantInt *CI = dyn_cast<ConstantInt>(Op1);
-  if (!CI)
-    return false;
-
-  ConstantRange Range =
-      LVI->getConstantRangeAtUse(Cmp->getOperandUse(0), /*UndefAllowed*/ true);
-  APInt RangeSize = Range.getUpper() - Range.getLower();
-  APInt Value = CI->getValue();
-  if (RangeSize != 2 || !Range.contains(Value))
-    return false;
-
-  bool ShouldBeOdd = Cmp->getPredicate() == ICmpInst::Predicate::ICMP_EQ;
-  if ((CI->getValue() & 1) == ShouldBeOdd) {
-    IRBuilder<> B{Cmp};
-    auto *Trunc = B.CreateTruncOrBitCast(Op0, Cmp->getType());
-    Cmp->replaceAllUsesWith(Trunc);
-    Cmp->eraseFromParent();
-    return true;
-  }
-
-  return false;
-}
-
 static bool processCmp(CmpInst *Cmp, LazyValueInfo *LVI) {
   if (constantFoldCmp(Cmp, LVI))
     return true;
@@ -373,9 +376,6 @@ static bool processCmp(CmpInst *Cmp, LazyValueInfo *LVI) {
     if (processICmp(ICmp, LVI))
       return true;
 
-  if (processEqualityICmp(Cmp, LVI))
-    return true;
-
   return false;
 }
 

>From ed9cd596e886605a79a820afb8087f79e151e6b8 Mon Sep 17 00:00:00 2001
From: YanWQ-monad <YanWQmonad at gmail.com>
Date: Mon, 4 Mar 2024 20:28:55 +0800
Subject: [PATCH 5/6] Add a test on wrapped set

---
 .../CorrelatedValuePropagation/icmp.ll        | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll b/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
index ccfbc274d570ce..47d23d4de6db43 100644
--- a/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
+++ b/llvm/test/Transforms/CorrelatedValuePropagation/icmp.ll
@@ -1515,3 +1515,37 @@ bb3:
   %4 = phi i1 [ %3, %bb1 ], [ %2, %bb2 ]
   ret i1 %4
 }
+
+define i1 @test_icmp_ne_on_wrapped_set(i8 %x) {
+; CHECK-LABEL: @test_icmp_ne_on_wrapped_set(
+; CHECK-NEXT:    [[TMP1:%.*]] = icmp sle i8 [[X:%.*]], -128
+; CHECK-NEXT:    [[TMP2:%.*]] = icmp sge i8 [[X]], 127
+; CHECK-NEXT:    [[TMP3:%.*]] = or i1 [[TMP1]], [[TMP2]]
+; CHECK-NEXT:    br i1 [[TMP3]], label [[BB1:%.*]], label [[BB2:%.*]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[TMP4:%.*]] = tail call i1 @get_bool()
+; CHECK-NEXT:    br label [[BB3:%.*]]
+; CHECK:       bb1:
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[X]] to i1
+; CHECK-NEXT:    br label [[BB3]]
+; CHECK:       bb3:
+; CHECK-NEXT:    [[TMP6:%.*]] = phi i1 [ [[TMP5]], [[BB1]] ], [ [[TMP4]], [[BB2]] ]
+; CHECK-NEXT:    ret i1 [[TMP6]]
+;
+  %1 = icmp sle i8 %x, -128
+  %2 = icmp sge i8 %x, 127
+  %3 = or i1 %1, %2
+  br i1 %3, label %bb1, label %bb2
+
+bb2:
+  %4 = tail call i1 @get_bool()
+  br label %bb3
+
+bb1:
+  %5 = icmp eq i8 %x, 127
+  br label %bb3
+
+bb3:
+  %6 = phi i1 [ %5, %bb1 ], [ %4, %bb2 ]
+  ret i1 %6
+}

>From 5e395f53a7aafad18b18dc377cdf86a477ca3ac0 Mon Sep 17 00:00:00 2001
From: YanWQ-monad <YanWQmonad at gmail.com>
Date: Sat, 9 Mar 2024 20:44:53 +0800
Subject: [PATCH 6/6] Remove the canonicalization of `trunc`

---
 .../InstCombine/InstCombineCasts.cpp          |   9 --
 .../X86/x86-avx512-inseltpoison.ll            | 140 +++++++-----------
 .../Transforms/InstCombine/X86/x86-avx512.ll  | 140 +++++++-----------
 .../Transforms/InstCombine/apint-shl-trunc.ll |  10 +-
 llvm/test/Transforms/InstCombine/cast.ll      |   6 +-
 .../Transforms/InstCombine/catchswitch-phi.ll |  19 ++-
 .../Transforms/InstCombine/icmp-mul-and.ll    |   6 +-
 .../Transforms/InstCombine/icmp-mul-zext.ll   |   6 +-
 .../Transforms/InstCombine/mul-masked-bits.ll |  10 +-
 llvm/test/Transforms/InstCombine/mul.ll       |   5 +-
 llvm/test/Transforms/InstCombine/phi.ll       |   5 +-
 .../Transforms/InstCombine/ptr-int-cast.ll    |   5 +-
 .../InstCombine/reduction-add-sext-zext-i1.ll |   3 +-
 .../InstCombine/reduction-xor-sext-zext-i1.ll |  38 +++--
 .../InstCombine/select-ctlz-to-cttz.ll        |  22 ++-
 .../PhaseOrdering/X86/merge-functions.ll      |   3 +-
 16 files changed, 176 insertions(+), 251 deletions(-)

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
index 33ed1d5575375a..60f54f94d450ce 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -734,15 +734,6 @@ Instruction *InstCombinerImpl::visitTrunc(TruncInst &Trunc) {
 
   if (DestWidth == 1) {
     Value *Zero = Constant::getNullValue(SrcTy);
-    if (DestTy->isIntegerTy()) {
-      // Canonicalize trunc x to i1 -> icmp ne (and x, 1), 0 (scalar only).
-      // TODO: We canonicalize to more instructions here because we are probably
-      // lacking equivalent analysis for trunc relative to icmp. There may also
-      // be codegen concerns. If those trunc limitations were removed, we could
-      // remove this transform.
-      Value *And = Builder.CreateAnd(Src, ConstantInt::get(SrcTy, 1));
-      return new ICmpInst(ICmpInst::ICMP_NE, And, Zero);
-    }
 
     // For vectors, we do not canonicalize all truncs to icmp, so optimize
     // patterns that would be covered within visitICmpInst.
diff --git a/llvm/test/Transforms/InstCombine/X86/x86-avx512-inseltpoison.ll b/llvm/test/Transforms/InstCombine/X86/x86-avx512-inseltpoison.ll
index 9b990480709c97..80d8e1b16ed28b 100644
--- a/llvm/test/Transforms/InstCombine/X86/x86-avx512-inseltpoison.ll
+++ b/llvm/test/Transforms/InstCombine/X86/x86-avx512-inseltpoison.ll
@@ -39,10 +39,9 @@ define <4 x float> @test_add_ss_mask(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x float> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fadd float [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP5]], float [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], float [[TMP3]], float [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -117,10 +116,9 @@ define <2 x double> @test_add_sd_mask(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x double> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fadd double [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP5]], double [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], double [[TMP3]], double [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -191,10 +189,9 @@ define <4 x float> @test_sub_ss_mask(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x float> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fsub float [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP5]], float [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], float [[TMP3]], float [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -269,10 +266,9 @@ define <2 x double> @test_sub_sd_mask(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x double> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fsub double [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP5]], double [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], double [[TMP3]], double [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -343,10 +339,9 @@ define <4 x float> @test_mul_ss_mask(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x float> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fmul float [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP5]], float [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], float [[TMP3]], float [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -421,10 +416,9 @@ define <2 x double> @test_mul_sd_mask(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x double> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fmul double [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP5]], double [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], double [[TMP3]], double [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -495,10 +489,9 @@ define <4 x float> @test_div_ss_mask(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x float> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fdiv float [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP5]], float [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], float [[TMP3]], float [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -573,10 +566,9 @@ define <2 x double> @test_div_sd_mask(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x double> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fdiv double [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP5]], double [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], double [[TMP3]], double [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -981,9 +973,8 @@ define <4 x float> @test_mask_vfmadd_ss(<4 x float> %a, <4 x float> %b, <4 x flo
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP1]], float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float [[TMP1]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -1011,9 +1002,8 @@ define float @test_mask_vfmadd_ss_0(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP1]], float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float [[TMP1]]
 ; CHECK-NEXT:    ret float [[TMP6]]
 ;
   %1 = insertelement <4 x float> %a, float 1.000000e+00, i32 1
@@ -1060,9 +1050,8 @@ define <2 x double> @test_mask_vfmadd_sd(<2 x double> %a, <2 x double> %b, <2 x
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP1]], double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double [[TMP1]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -1086,9 +1075,8 @@ define double @test_mask_vfmadd_sd_0(<2 x double> %a, <2 x double> %b, <2 x doub
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP1]], double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double [[TMP1]]
 ; CHECK-NEXT:    ret double [[TMP6]]
 ;
   %1 = insertelement <2 x double> %a, double 1.000000e+00, i32 1
@@ -1129,9 +1117,8 @@ define <4 x float> @test_maskz_vfmadd_ss(<4 x float> %a, <4 x float> %b, <4 x fl
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float 0.000000e+00, float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float 0.000000e+00
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -1159,9 +1146,8 @@ define float @test_maskz_vfmadd_ss_0(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float 0.000000e+00, float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float 0.000000e+00
 ; CHECK-NEXT:    ret float [[TMP6]]
 ;
   %1 = insertelement <4 x float> %a, float 1.000000e+00, i32 1
@@ -1206,9 +1192,8 @@ define <2 x double> @test_maskz_vfmadd_sd(<2 x double> %a, <2 x double> %b, <2 x
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double 0.000000e+00, double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double 0.000000e+00
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -1232,9 +1217,8 @@ define double @test_maskz_vfmadd_sd_0(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double 0.000000e+00, double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double 0.000000e+00
 ; CHECK-NEXT:    ret double [[TMP6]]
 ;
   %1 = insertelement <2 x double> %a, double 1.000000e+00, i32 1
@@ -1275,9 +1259,8 @@ define <4 x float> @test_mask3_vfmadd_ss(<4 x float> %a, <4 x float> %b, <4 x fl
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP3]], float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float [[TMP3]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[C]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -1305,9 +1288,8 @@ define float @test_mask3_vfmadd_ss_0(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP3]], float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float [[TMP3]]
 ; CHECK-NEXT:    ret float [[TMP6]]
 ;
   %1 = insertelement <4 x float> %c, float 1.000000e+00, i32 1
@@ -1352,9 +1334,8 @@ define <2 x double> @test_mask3_vfmadd_sd(<2 x double> %a, <2 x double> %b, <2 x
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP3]], double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double [[TMP3]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[C]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -1378,9 +1359,8 @@ define double @test_mask3_vfmadd_sd_0(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP3]], double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double [[TMP3]]
 ; CHECK-NEXT:    ret double [[TMP6]]
 ;
   %1 = insertelement <2 x double> %c, double 1.000000e+00, i32 1
@@ -1423,9 +1403,8 @@ define <4 x float> @test_mask3_vfmsub_ss(<4 x float> %a, <4 x float> %b, <4 x fl
 ; CHECK-NEXT:    [[TMP4:%.*]] = fneg float [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP4]])
 ; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[C]], i64 0
-; CHECK-NEXT:    [[TMP7:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP7]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[DOTNOT]], float [[TMP6]], float [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], float [[TMP5]], float [[TMP6]]
 ; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <4 x float> [[C]], float [[TMP8]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP9]]
 ;
@@ -1457,9 +1436,8 @@ define float @test_mask3_vfmsub_ss_0(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP4:%.*]] = fneg float [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP4]])
 ; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[C]], i64 0
-; CHECK-NEXT:    [[TMP7:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP7]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[DOTNOT]], float [[TMP6]], float [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], float [[TMP5]], float [[TMP6]]
 ; CHECK-NEXT:    ret float [[TMP8]]
 ;
   %1 = insertelement <4 x float> %c, float 1.000000e+00, i32 1
@@ -1532,9 +1510,8 @@ define <2 x double> @test_mask3_vfmsub_sd(<2 x double> %a, <2 x double> %b, <2 x
 ; CHECK-NEXT:    [[TMP4:%.*]] = fneg double [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP4]])
 ; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x double> [[C]], i64 0
-; CHECK-NEXT:    [[TMP7:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP7]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[DOTNOT]], double [[TMP6]], double [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], double [[TMP5]], double [[TMP6]]
 ; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <2 x double> [[C]], double [[TMP8]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP9]]
 ;
@@ -1562,9 +1539,8 @@ define double @test_mask3_vfmsub_sd_0(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP4:%.*]] = fneg double [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP4]])
 ; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x double> [[C]], i64 0
-; CHECK-NEXT:    [[TMP7:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP7]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[DOTNOT]], double [[TMP6]], double [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], double [[TMP5]], double [[TMP6]]
 ; CHECK-NEXT:    ret double [[TMP8]]
 ;
   %1 = insertelement <2 x double> %c, double 1.000000e+00, i32 1
@@ -1632,9 +1608,8 @@ define <4 x float> @test_mask3_vfnmsub_ss(<4 x float> %a, <4 x float> %b, <4 x f
 ; CHECK-NEXT:    [[TMP5:%.*]] = fneg float [[TMP4]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = call float @llvm.fma.f32(float [[TMP2]], float [[TMP3]], float [[TMP5]])
 ; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <4 x float> [[C]], i64 0
-; CHECK-NEXT:    [[TMP8:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP8]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[DOTNOT]], float [[TMP7]], float [[TMP6]]
+; CHECK-NEXT:    [[TMP8:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], float [[TMP6]], float [[TMP7]]
 ; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <4 x float> [[C]], float [[TMP9]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP10]]
 ;
@@ -1668,9 +1643,8 @@ define float @test_mask3_vfnmsub_ss_0(<4 x float> %a, <4 x float> %b, <4 x float
 ; CHECK-NEXT:    [[TMP5:%.*]] = fneg float [[TMP4]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = call float @llvm.fma.f32(float [[TMP2]], float [[TMP3]], float [[TMP5]])
 ; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <4 x float> [[C]], i64 0
-; CHECK-NEXT:    [[TMP8:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP8]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[DOTNOT]], float [[TMP7]], float [[TMP6]]
+; CHECK-NEXT:    [[TMP8:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], float [[TMP6]], float [[TMP7]]
 ; CHECK-NEXT:    ret float [[TMP9]]
 ;
   %1 = insertelement <4 x float> %c, float 1.000000e+00, i32 1
@@ -1747,9 +1721,8 @@ define <2 x double> @test_mask3_vfnmsub_sd(<2 x double> %a, <2 x double> %b, <2
 ; CHECK-NEXT:    [[TMP5:%.*]] = fneg double [[TMP4]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = call double @llvm.fma.f64(double [[TMP2]], double [[TMP3]], double [[TMP5]])
 ; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <2 x double> [[C]], i64 0
-; CHECK-NEXT:    [[TMP8:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP8]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[DOTNOT]], double [[TMP7]], double [[TMP6]]
+; CHECK-NEXT:    [[TMP8:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], double [[TMP6]], double [[TMP7]]
 ; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <2 x double> [[C]], double [[TMP9]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP10]]
 ;
@@ -1779,9 +1752,8 @@ define double @test_mask3_vfnmsub_sd_0(<2 x double> %a, <2 x double> %b, <2 x do
 ; CHECK-NEXT:    [[TMP5:%.*]] = fneg double [[TMP4]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = call double @llvm.fma.f64(double [[TMP2]], double [[TMP3]], double [[TMP5]])
 ; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <2 x double> [[C]], i64 0
-; CHECK-NEXT:    [[TMP8:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP8]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[DOTNOT]], double [[TMP7]], double [[TMP6]]
+; CHECK-NEXT:    [[TMP8:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], double [[TMP6]], double [[TMP7]]
 ; CHECK-NEXT:    ret double [[TMP9]]
 ;
   %1 = insertelement <2 x double> %c, double 1.000000e+00, i32 1
diff --git a/llvm/test/Transforms/InstCombine/X86/x86-avx512.ll b/llvm/test/Transforms/InstCombine/X86/x86-avx512.ll
index c10c922f664324..906e84b6074811 100644
--- a/llvm/test/Transforms/InstCombine/X86/x86-avx512.ll
+++ b/llvm/test/Transforms/InstCombine/X86/x86-avx512.ll
@@ -39,10 +39,9 @@ define <4 x float> @test_add_ss_mask(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x float> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fadd float [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP5]], float [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], float [[TMP3]], float [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -117,10 +116,9 @@ define <2 x double> @test_add_sd_mask(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x double> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fadd double [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP5]], double [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], double [[TMP3]], double [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -191,10 +189,9 @@ define <4 x float> @test_sub_ss_mask(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x float> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fsub float [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP5]], float [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], float [[TMP3]], float [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -269,10 +266,9 @@ define <2 x double> @test_sub_sd_mask(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x double> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fsub double [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP5]], double [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], double [[TMP3]], double [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -343,10 +339,9 @@ define <4 x float> @test_mul_ss_mask(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x float> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fmul float [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP5]], float [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], float [[TMP3]], float [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -421,10 +416,9 @@ define <2 x double> @test_mul_sd_mask(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x double> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fmul double [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP5]], double [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], double [[TMP3]], double [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -495,10 +489,9 @@ define <4 x float> @test_div_ss_mask(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <4 x float> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fdiv float [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP5]], float [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], float [[TMP3]], float [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -573,10 +566,9 @@ define <2 x double> @test_div_sd_mask(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x double> [[A:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = fdiv double [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP4]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = trunc i8 [[MASK:%.*]] to i1
 ; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP5]], double [[TMP3]]
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP4]], double [[TMP3]], double [[TMP5]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -981,9 +973,8 @@ define <4 x float> @test_mask_vfmadd_ss(<4 x float> %a, <4 x float> %b, <4 x flo
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP1]], float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float [[TMP1]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -1011,9 +1002,8 @@ define float @test_mask_vfmadd_ss_0(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP1]], float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float [[TMP1]]
 ; CHECK-NEXT:    ret float [[TMP6]]
 ;
   %1 = insertelement <4 x float> %a, float 1.000000e+00, i32 1
@@ -1060,9 +1050,8 @@ define <2 x double> @test_mask_vfmadd_sd(<2 x double> %a, <2 x double> %b, <2 x
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP1]], double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double [[TMP1]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -1086,9 +1075,8 @@ define double @test_mask_vfmadd_sd_0(<2 x double> %a, <2 x double> %b, <2 x doub
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP1]], double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double [[TMP1]]
 ; CHECK-NEXT:    ret double [[TMP6]]
 ;
   %1 = insertelement <2 x double> %a, double 1.000000e+00, i32 1
@@ -1129,9 +1117,8 @@ define <4 x float> @test_maskz_vfmadd_ss(<4 x float> %a, <4 x float> %b, <4 x fl
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float 0.000000e+00, float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float 0.000000e+00
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[A]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -1159,9 +1146,8 @@ define float @test_maskz_vfmadd_ss_0(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float 0.000000e+00, float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float 0.000000e+00
 ; CHECK-NEXT:    ret float [[TMP6]]
 ;
   %1 = insertelement <4 x float> %a, float 1.000000e+00, i32 1
@@ -1206,9 +1192,8 @@ define <2 x double> @test_maskz_vfmadd_sd(<2 x double> %a, <2 x double> %b, <2 x
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double 0.000000e+00, double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double 0.000000e+00
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[A]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -1232,9 +1217,8 @@ define double @test_maskz_vfmadd_sd_0(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double 0.000000e+00, double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double 0.000000e+00
 ; CHECK-NEXT:    ret double [[TMP6]]
 ;
   %1 = insertelement <2 x double> %a, double 1.000000e+00, i32 1
@@ -1275,9 +1259,8 @@ define <4 x float> @test_mask3_vfmadd_ss(<4 x float> %a, <4 x float> %b, <4 x fl
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP3]], float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float [[TMP3]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <4 x float> [[C]], float [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP7]]
 ;
@@ -1305,9 +1288,8 @@ define float @test_mask3_vfmadd_ss_0(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], float [[TMP3]], float [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], float [[TMP4]], float [[TMP3]]
 ; CHECK-NEXT:    ret float [[TMP6]]
 ;
   %1 = insertelement <4 x float> %c, float 1.000000e+00, i32 1
@@ -1352,9 +1334,8 @@ define <2 x double> @test_mask3_vfmadd_sd(<2 x double> %a, <2 x double> %b, <2 x
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP3]], double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double [[TMP3]]
 ; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x double> [[C]], double [[TMP6]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP7]]
 ;
@@ -1378,9 +1359,8 @@ define double @test_mask3_vfmadd_sd_0(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <2 x double> [[B:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x double> [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[TMP4:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP3]])
-; CHECK-NEXT:    [[TMP5:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP5]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[DOTNOT]], double [[TMP3]], double [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], double [[TMP4]], double [[TMP3]]
 ; CHECK-NEXT:    ret double [[TMP6]]
 ;
   %1 = insertelement <2 x double> %c, double 1.000000e+00, i32 1
@@ -1423,9 +1403,8 @@ define <4 x float> @test_mask3_vfmsub_ss(<4 x float> %a, <4 x float> %b, <4 x fl
 ; CHECK-NEXT:    [[TMP4:%.*]] = fneg float [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP4]])
 ; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[C]], i64 0
-; CHECK-NEXT:    [[TMP7:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP7]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[DOTNOT]], float [[TMP6]], float [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], float [[TMP5]], float [[TMP6]]
 ; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <4 x float> [[C]], float [[TMP8]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP9]]
 ;
@@ -1457,9 +1436,8 @@ define float @test_mask3_vfmsub_ss_0(<4 x float> %a, <4 x float> %b, <4 x float>
 ; CHECK-NEXT:    [[TMP4:%.*]] = fneg float [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call float @llvm.fma.f32(float [[TMP1]], float [[TMP2]], float [[TMP4]])
 ; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[C]], i64 0
-; CHECK-NEXT:    [[TMP7:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP7]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[DOTNOT]], float [[TMP6]], float [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], float [[TMP5]], float [[TMP6]]
 ; CHECK-NEXT:    ret float [[TMP8]]
 ;
   %1 = insertelement <4 x float> %c, float 1.000000e+00, i32 1
@@ -1532,9 +1510,8 @@ define <2 x double> @test_mask3_vfmsub_sd(<2 x double> %a, <2 x double> %b, <2 x
 ; CHECK-NEXT:    [[TMP4:%.*]] = fneg double [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP4]])
 ; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x double> [[C]], i64 0
-; CHECK-NEXT:    [[TMP7:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP7]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[DOTNOT]], double [[TMP6]], double [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], double [[TMP5]], double [[TMP6]]
 ; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <2 x double> [[C]], double [[TMP8]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP9]]
 ;
@@ -1562,9 +1539,8 @@ define double @test_mask3_vfmsub_sd_0(<2 x double> %a, <2 x double> %b, <2 x dou
 ; CHECK-NEXT:    [[TMP4:%.*]] = fneg double [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call double @llvm.fma.f64(double [[TMP1]], double [[TMP2]], double [[TMP4]])
 ; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x double> [[C]], i64 0
-; CHECK-NEXT:    [[TMP7:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP7]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[DOTNOT]], double [[TMP6]], double [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], double [[TMP5]], double [[TMP6]]
 ; CHECK-NEXT:    ret double [[TMP8]]
 ;
   %1 = insertelement <2 x double> %c, double 1.000000e+00, i32 1
@@ -1632,9 +1608,8 @@ define <4 x float> @test_mask3_vfnmsub_ss(<4 x float> %a, <4 x float> %b, <4 x f
 ; CHECK-NEXT:    [[TMP5:%.*]] = fneg float [[TMP4]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = call float @llvm.fma.f32(float [[TMP2]], float [[TMP3]], float [[TMP5]])
 ; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <4 x float> [[C]], i64 0
-; CHECK-NEXT:    [[TMP8:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP8]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[DOTNOT]], float [[TMP7]], float [[TMP6]]
+; CHECK-NEXT:    [[TMP8:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], float [[TMP6]], float [[TMP7]]
 ; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <4 x float> [[C]], float [[TMP9]], i64 0
 ; CHECK-NEXT:    ret <4 x float> [[TMP10]]
 ;
@@ -1668,9 +1643,8 @@ define float @test_mask3_vfnmsub_ss_0(<4 x float> %a, <4 x float> %b, <4 x float
 ; CHECK-NEXT:    [[TMP5:%.*]] = fneg float [[TMP4]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = call float @llvm.fma.f32(float [[TMP2]], float [[TMP3]], float [[TMP5]])
 ; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <4 x float> [[C]], i64 0
-; CHECK-NEXT:    [[TMP8:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP8]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[DOTNOT]], float [[TMP7]], float [[TMP6]]
+; CHECK-NEXT:    [[TMP8:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], float [[TMP6]], float [[TMP7]]
 ; CHECK-NEXT:    ret float [[TMP9]]
 ;
   %1 = insertelement <4 x float> %c, float 1.000000e+00, i32 1
@@ -1747,9 +1721,8 @@ define <2 x double> @test_mask3_vfnmsub_sd(<2 x double> %a, <2 x double> %b, <2
 ; CHECK-NEXT:    [[TMP5:%.*]] = fneg double [[TMP4]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = call double @llvm.fma.f64(double [[TMP2]], double [[TMP3]], double [[TMP5]])
 ; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <2 x double> [[C]], i64 0
-; CHECK-NEXT:    [[TMP8:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP8]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[DOTNOT]], double [[TMP7]], double [[TMP6]]
+; CHECK-NEXT:    [[TMP8:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], double [[TMP6]], double [[TMP7]]
 ; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <2 x double> [[C]], double [[TMP9]], i64 0
 ; CHECK-NEXT:    ret <2 x double> [[TMP10]]
 ;
@@ -1779,9 +1752,8 @@ define double @test_mask3_vfnmsub_sd_0(<2 x double> %a, <2 x double> %b, <2 x do
 ; CHECK-NEXT:    [[TMP5:%.*]] = fneg double [[TMP4]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = call double @llvm.fma.f64(double [[TMP2]], double [[TMP3]], double [[TMP5]])
 ; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <2 x double> [[C]], i64 0
-; CHECK-NEXT:    [[TMP8:%.*]] = and i8 [[MASK:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i8 [[TMP8]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[DOTNOT]], double [[TMP7]], double [[TMP6]]
+; CHECK-NEXT:    [[TMP8:%.*]] = trunc i8 [[MASK:%.*]] to i1
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], double [[TMP6]], double [[TMP7]]
 ; CHECK-NEXT:    ret double [[TMP9]]
 ;
   %1 = insertelement <2 x double> %c, double 1.000000e+00, i32 1
diff --git a/llvm/test/Transforms/InstCombine/apint-shl-trunc.ll b/llvm/test/Transforms/InstCombine/apint-shl-trunc.ll
index 2d72a4ff8c0dfa..e2346987737a29 100644
--- a/llvm/test/Transforms/InstCombine/apint-shl-trunc.ll
+++ b/llvm/test/Transforms/InstCombine/apint-shl-trunc.ll
@@ -3,9 +3,8 @@
 
 define i1 @test0(i39 %X, i39 %A) {
 ; CHECK-LABEL: @test0(
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw i39 1, [[A:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i39 [[TMP1]], [[X:%.*]]
-; CHECK-NEXT:    [[D:%.*]] = icmp ne i39 [[TMP2]], 0
+; CHECK-NEXT:    [[B:%.*]] = lshr i39 [[X:%.*]], [[A:%.*]]
+; CHECK-NEXT:    [[D:%.*]] = trunc i39 [[B]] to i1
 ; CHECK-NEXT:    ret i1 [[D]]
 ;
   %B = lshr i39 %X, %A
@@ -15,9 +14,8 @@ define i1 @test0(i39 %X, i39 %A) {
 
 define i1 @test1(i799 %X, i799 %A) {
 ; CHECK-LABEL: @test1(
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw i799 1, [[A:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i799 [[TMP1]], [[X:%.*]]
-; CHECK-NEXT:    [[D:%.*]] = icmp ne i799 [[TMP2]], 0
+; CHECK-NEXT:    [[B:%.*]] = lshr i799 [[X:%.*]], [[A:%.*]]
+; CHECK-NEXT:    [[D:%.*]] = trunc i799 [[B]] to i1
 ; CHECK-NEXT:    ret i1 [[D]]
 ;
   %B = lshr i799 %X, %A
diff --git a/llvm/test/Transforms/InstCombine/cast.ll b/llvm/test/Transforms/InstCombine/cast.ll
index 85433a99f2caec..97554e9462043c 100644
--- a/llvm/test/Transforms/InstCombine/cast.ll
+++ b/llvm/test/Transforms/InstCombine/cast.ll
@@ -1399,8 +1399,7 @@ define float @sitofp_zext(i16 %a) {
 define i1 @PR23309(i32 %A, i32 %B) {
 ; ALL-LABEL: @PR23309(
 ; ALL-NEXT:    [[SUB:%.*]] = sub i32 [[A:%.*]], [[B:%.*]]
-; ALL-NEXT:    [[TMP1:%.*]] = and i32 [[SUB]], 1
-; ALL-NEXT:    [[TRUNC:%.*]] = icmp ne i32 [[TMP1]], 0
+; ALL-NEXT:    [[TRUNC:%.*]] = trunc i32 [[SUB]] to i1
 ; ALL-NEXT:    ret i1 [[TRUNC]]
 ;
   %add = add i32 %A, -4
@@ -1412,8 +1411,7 @@ define i1 @PR23309(i32 %A, i32 %B) {
 define i1 @PR23309v2(i32 %A, i32 %B) {
 ; ALL-LABEL: @PR23309v2(
 ; ALL-NEXT:    [[SUB:%.*]] = add i32 [[A:%.*]], [[B:%.*]]
-; ALL-NEXT:    [[TMP1:%.*]] = and i32 [[SUB]], 1
-; ALL-NEXT:    [[TRUNC:%.*]] = icmp ne i32 [[TMP1]], 0
+; ALL-NEXT:    [[TRUNC:%.*]] = trunc i32 [[SUB]] to i1
 ; ALL-NEXT:    ret i1 [[TRUNC]]
 ;
   %add = add i32 %A, -4
diff --git a/llvm/test/Transforms/InstCombine/catchswitch-phi.ll b/llvm/test/Transforms/InstCombine/catchswitch-phi.ll
index 038847609b0f90..ec664dbfb722ca 100644
--- a/llvm/test/Transforms/InstCombine/catchswitch-phi.ll
+++ b/llvm/test/Transforms/InstCombine/catchswitch-phi.ll
@@ -24,11 +24,11 @@ define void @test0(i1 %c1) personality ptr @__gxx_wasm_personality_v0 {
 ; CHECK:       bb1:
 ; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i8, ptr [[TMP0]], i32 4
 ; CHECK-NEXT:    invoke void @foo()
-; CHECK-NEXT:    to label [[BB3:%.*]] unwind label [[BB4:%.*]]
+; CHECK-NEXT:            to label [[BB3:%.*]] unwind label [[BB4:%.*]]
 ; CHECK:       bb2:
 ; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[TMP0]], i32 4
 ; CHECK-NEXT:    invoke void @foo()
-; CHECK-NEXT:    to label [[BB3]] unwind label [[BB4]]
+; CHECK-NEXT:            to label [[BB3]] unwind label [[BB4]]
 ; CHECK:       bb3:
 ; CHECK-NEXT:    unreachable
 ; CHECK:       bb4:
@@ -37,7 +37,7 @@ define void @test0(i1 %c1) personality ptr @__gxx_wasm_personality_v0 {
 ; CHECK:       bb5:
 ; CHECK-NEXT:    [[TMP5:%.*]] = catchpad within [[TMP4]] [ptr null]
 ; CHECK-NEXT:    invoke void @foo() [ "funclet"(token [[TMP5]]) ]
-; CHECK-NEXT:    to label [[BB6:%.*]] unwind label [[BB7]]
+; CHECK-NEXT:            to label [[BB6:%.*]] unwind label [[BB7]]
 ; CHECK:       bb6:
 ; CHECK-NEXT:    unreachable
 ; CHECK:       bb7:
@@ -89,10 +89,10 @@ define void @test1() personality ptr @__gxx_wasm_personality_v0 {
 ; CHECK-LABEL: @test1(
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    invoke void @foo()
-; CHECK-NEXT:    to label [[INVOKE_CONT:%.*]] unwind label [[CATCH_DISPATCH1:%.*]]
+; CHECK-NEXT:            to label [[INVOKE_CONT:%.*]] unwind label [[CATCH_DISPATCH1:%.*]]
 ; CHECK:       invoke.cont:
 ; CHECK-NEXT:    [[CALL:%.*]] = invoke i32 @baz()
-; CHECK-NEXT:    to label [[INVOKE_CONT1:%.*]] unwind label [[CATCH_DISPATCH:%.*]]
+; CHECK-NEXT:            to label [[INVOKE_CONT1:%.*]] unwind label [[CATCH_DISPATCH:%.*]]
 ; CHECK:       invoke.cont1:
 ; CHECK-NEXT:    [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CALL]], 0
 ; CHECK-NEXT:    br i1 [[TOBOOL_NOT]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
@@ -101,7 +101,7 @@ define void @test1() personality ptr @__gxx_wasm_personality_v0 {
 ; CHECK:       if.end:
 ; CHECK-NEXT:    [[AP_0:%.*]] = phi i8 [ 1, [[IF_THEN]] ], [ 0, [[INVOKE_CONT1]] ]
 ; CHECK-NEXT:    invoke void @foo()
-; CHECK-NEXT:    to label [[INVOKE_CONT2:%.*]] unwind label [[CATCH_DISPATCH]]
+; CHECK-NEXT:            to label [[INVOKE_CONT2:%.*]] unwind label [[CATCH_DISPATCH]]
 ; CHECK:       invoke.cont2:
 ; CHECK-NEXT:    br label [[TRY_CONT:%.*]]
 ; CHECK:       catch.dispatch:
@@ -114,15 +114,14 @@ define void @test1() personality ptr @__gxx_wasm_personality_v0 {
 ; CHECK-NEXT:    catchret from [[TMP1]] to label [[TRY_CONT]]
 ; CHECK:       rethrow:
 ; CHECK-NEXT:    invoke void @llvm.wasm.rethrow() #[[ATTR0:[0-9]+]] [ "funclet"(token [[TMP1]]) ]
-; CHECK-NEXT:    to label [[UNREACHABLE:%.*]] unwind label [[CATCH_DISPATCH1]]
+; CHECK-NEXT:            to label [[UNREACHABLE:%.*]] unwind label [[CATCH_DISPATCH1]]
 ; CHECK:       catch.dispatch1:
 ; CHECK-NEXT:    [[AP_2:%.*]] = phi i8 [ [[AP_1]], [[CATCH_DISPATCH]] ], [ [[AP_1]], [[RETHROW]] ], [ 0, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    [[TMP2:%.*]] = catchswitch within none [label %catch.start1] unwind to caller
 ; CHECK:       catch.start1:
 ; CHECK-NEXT:    [[TMP3:%.*]] = catchpad within [[TMP2]] [ptr null]
-; CHECK-NEXT:    [[TMP0:%.*]] = and i8 [[AP_2]], 1
-; CHECK-NEXT:    [[TOBOOL1_NOT:%.*]] = icmp eq i8 [[TMP0]], 0
-; CHECK-NEXT:    br i1 [[TOBOOL1_NOT]], label [[IF_END1:%.*]], label [[IF_THEN1:%.*]]
+; CHECK-NEXT:    [[TOBOOL1:%.*]] = trunc i8 [[AP_2]] to i1
+; CHECK-NEXT:    br i1 [[TOBOOL1]], label [[IF_THEN1:%.*]], label [[IF_END1:%.*]]
 ; CHECK:       if.then1:
 ; CHECK-NEXT:    br label [[IF_END1]]
 ; CHECK:       if.end1:
diff --git a/llvm/test/Transforms/InstCombine/icmp-mul-and.ll b/llvm/test/Transforms/InstCombine/icmp-mul-and.ll
index d5f5641392c0c5..b347ee9be60e72 100644
--- a/llvm/test/Transforms/InstCombine/icmp-mul-and.ll
+++ b/llvm/test/Transforms/InstCombine/icmp-mul-and.ll
@@ -267,11 +267,11 @@ define i1 @pr51551_neg1(i32 %x, i32 %y) {
 
 define i1 @pr51551_neg2(i32 %x, i32 %y) {
 ; CHECK-LABEL: @pr51551_neg2(
-; CHECK-NEXT:    [[TMP1:%.*]] = and i32 [[Y:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i32 [[TMP1]], 0
+; CHECK-NEXT:    [[TMP1:%.*]] = trunc i32 [[Y:%.*]] to i1
 ; CHECK-NEXT:    [[TMP2:%.*]] = and i32 [[X:%.*]], 7
 ; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[TMP2]], 0
-; CHECK-NEXT:    [[CMP:%.*]] = select i1 [[DOTNOT]], i1 true, i1 [[CMP1]]
+; CHECK-NEXT:    [[NOT_:%.*]] = xor i1 [[TMP1]], true
+; CHECK-NEXT:    [[CMP:%.*]] = select i1 [[NOT_]], i1 true, i1 [[CMP1]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %t0 = and i32 %y, -7
diff --git a/llvm/test/Transforms/InstCombine/icmp-mul-zext.ll b/llvm/test/Transforms/InstCombine/icmp-mul-zext.ll
index adf78723b1302a..0015287d2465b0 100644
--- a/llvm/test/Transforms/InstCombine/icmp-mul-zext.ll
+++ b/llvm/test/Transforms/InstCombine/icmp-mul-zext.ll
@@ -128,9 +128,9 @@ define i1 @PR46561(i1 %a, i1 %x, i1 %y, i8 %z) {
 ; CHECK-NEXT:    br i1 [[A:%.*]], label [[COND_TRUE:%.*]], label [[END:%.*]]
 ; CHECK:       cond.true:
 ; CHECK-NEXT:    [[MULBOOL:%.*]] = and i1 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[TMP0:%.*]] = and i8 [[Z:%.*]], 1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp eq i8 [[TMP0]], 0
-; CHECK-NEXT:    [[TMP2:%.*]] = xor i1 [[MULBOOL]], [[TMP1]]
+; CHECK-NEXT:    [[TMP0:%.*]] = trunc i8 [[Z:%.*]] to i1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i1 [[MULBOOL]], [[TMP0]]
+; CHECK-NEXT:    [[TMP2:%.*]] = xor i1 [[TMP1]], true
 ; CHECK-NEXT:    br label [[END]]
 ; CHECK:       end:
 ; CHECK-NEXT:    [[P:%.*]] = phi i1 [ [[TMP2]], [[COND_TRUE]] ], [ false, [[ENTRY:%.*]] ]
diff --git a/llvm/test/Transforms/InstCombine/mul-masked-bits.ll b/llvm/test/Transforms/InstCombine/mul-masked-bits.ll
index da7cc2db09781b..e940ae3fec163b 100644
--- a/llvm/test/Transforms/InstCombine/mul-masked-bits.ll
+++ b/llvm/test/Transforms/InstCombine/mul-masked-bits.ll
@@ -214,9 +214,8 @@ define i64 @scalar_mul_bit_x0_y0_uses(i64 %x, i64 %y) {
 define i64 @scalar_mul_bit_x0_y1(i64 %x, i64 %y) {
 ; CHECK-LABEL: @scalar_mul_bit_x0_y1(
 ; CHECK-NEXT:    [[AND2:%.*]] = and i64 [[Y:%.*]], 2
-; CHECK-NEXT:    [[TMP1:%.*]] = and i64 [[X:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i64 [[TMP1]], 0
-; CHECK-NEXT:    [[MUL:%.*]] = select i1 [[DOTNOT]], i64 0, i64 [[AND2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = trunc i64 [[X:%.*]] to i1
+; CHECK-NEXT:    [[MUL:%.*]] = select i1 [[TMP1]], i64 [[AND2]], i64 0
 ; CHECK-NEXT:    ret i64 [[MUL]]
 ;
   %and1 = and i64 %x, 1
@@ -228,9 +227,8 @@ define i64 @scalar_mul_bit_x0_y1(i64 %x, i64 %y) {
 define i64 @scalar_mul_bit_x0_yC(i64 %x, i64 %y, i64 %c) {
 ; CHECK-LABEL: @scalar_mul_bit_x0_yC(
 ; CHECK-NEXT:    [[AND2:%.*]] = and i64 [[Y:%.*]], [[C:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = and i64 [[X:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i64 [[TMP1]], 0
-; CHECK-NEXT:    [[MUL:%.*]] = select i1 [[DOTNOT]], i64 0, i64 [[AND2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = trunc i64 [[X:%.*]] to i1
+; CHECK-NEXT:    [[MUL:%.*]] = select i1 [[TMP1]], i64 [[AND2]], i64 0
 ; CHECK-NEXT:    ret i64 [[MUL]]
 ;
   %and1 = and i64 %x, 1
diff --git a/llvm/test/Transforms/InstCombine/mul.ll b/llvm/test/Transforms/InstCombine/mul.ll
index e7141d7c25ad21..7ba1bf648e8036 100644
--- a/llvm/test/Transforms/InstCombine/mul.ll
+++ b/llvm/test/Transforms/InstCombine/mul.ll
@@ -684,9 +684,8 @@ define <2 x i32> @signbit_mul_vec_commute(<2 x i32> %a, <2 x i32> %b) {
 
 define i32 @lowbit_mul(i32 %a, i32 %b) {
 ; CHECK-LABEL: @lowbit_mul(
-; CHECK-NEXT:    [[TMP1:%.*]] = and i32 [[A:%.*]], 1
-; CHECK-NEXT:    [[DOTNOT:%.*]] = icmp eq i32 [[TMP1]], 0
-; CHECK-NEXT:    [[E:%.*]] = select i1 [[DOTNOT]], i32 0, i32 [[B:%.*]]
+; CHECK-NEXT:    [[TMP1:%.*]] = trunc i32 [[A:%.*]] to i1
+; CHECK-NEXT:    [[E:%.*]] = select i1 [[TMP1]], i32 [[B:%.*]], i32 0
 ; CHECK-NEXT:    ret i32 [[E]]
 ;
   %d = and i32 %a, 1
diff --git a/llvm/test/Transforms/InstCombine/phi.ll b/llvm/test/Transforms/InstCombine/phi.ll
index e1ae6c1ea47579..c11ca2adbfc9ee 100644
--- a/llvm/test/Transforms/InstCombine/phi.ll
+++ b/llvm/test/Transforms/InstCombine/phi.ll
@@ -489,9 +489,8 @@ define i64 @test15b(i64 %A, i1 %b) {
 ; CHECK-NEXT:    [[Y_OFF0:%.*]] = phi i64 [ [[A]], [[ENTRY]] ], [ [[C]], [[ONE]] ]
 ; CHECK-NEXT:    [[Y_OFF64]] = phi i64 [ [[A]], [[ENTRY]] ], [ 0, [[ONE]] ]
 ; CHECK-NEXT:    [[D:%.*]] = call i64 @test15a(i64 [[Y_OFF64]])
-; CHECK-NEXT:    [[TMP0:%.*]] = and i64 [[D]], 1
-; CHECK-NEXT:    [[D1_NOT:%.*]] = icmp eq i64 [[TMP0]], 0
-; CHECK-NEXT:    br i1 [[D1_NOT]], label [[END:%.*]], label [[ONE]]
+; CHECK-NEXT:    [[D1:%.*]] = trunc i64 [[D]] to i1
+; CHECK-NEXT:    br i1 [[D1]], label [[ONE]], label [[END:%.*]]
 ; CHECK:       end:
 ; CHECK-NEXT:    ret i64 [[Y_OFF0]]
 ;
diff --git a/llvm/test/Transforms/InstCombine/ptr-int-cast.ll b/llvm/test/Transforms/InstCombine/ptr-int-cast.ll
index 6f5814e1a28237..04547212e2c4ed 100644
--- a/llvm/test/Transforms/InstCombine/ptr-int-cast.ll
+++ b/llvm/test/Transforms/InstCombine/ptr-int-cast.ll
@@ -6,9 +6,8 @@ define i1 @test1(ptr %x) nounwind {
 ; CHECK-LABEL: @test1(
 ; CHECK-NEXT:  entry:
 ; CHECK-NEXT:    [[TMP0:%.*]] = ptrtoint ptr [[X:%.*]] to i64
-; CHECK-NEXT:    [[TMP1:%.*]] = and i64 [[TMP0]], 1
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ne i64 [[TMP1]], 0
-; CHECK-NEXT:    ret i1 [[TMP2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = trunc i64 [[TMP0]] to i1
+; CHECK-NEXT:    ret i1 [[TMP1]]
 ;
 entry:
   %0 = ptrtoint ptr %x to i1
diff --git a/llvm/test/Transforms/InstCombine/reduction-add-sext-zext-i1.ll b/llvm/test/Transforms/InstCombine/reduction-add-sext-zext-i1.ll
index bbb8d848be6f4f..ad55b506a108bb 100644
--- a/llvm/test/Transforms/InstCombine/reduction-add-sext-zext-i1.ll
+++ b/llvm/test/Transforms/InstCombine/reduction-add-sext-zext-i1.ll
@@ -5,8 +5,7 @@ define i1 @reduce_add_self(<8 x i1> %x) {
 ; CHECK-LABEL: @reduce_add_self(
 ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <8 x i1> [[X:%.*]] to i8
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i8 @llvm.ctpop.i8(i8 [[TMP1]]), !range [[RNG0:![0-9]+]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i8 [[TMP2]], 1
-; CHECK-NEXT:    [[RES:%.*]] = icmp ne i8 [[TMP3]], 0
+; CHECK-NEXT:    [[RES:%.*]] = trunc i8 [[TMP2]] to i1
 ; CHECK-NEXT:    ret i1 [[RES]]
 ;
   %res = call i1 @llvm.vector.reduce.add.v8i32(<8 x i1> %x)
diff --git a/llvm/test/Transforms/InstCombine/reduction-xor-sext-zext-i1.ll b/llvm/test/Transforms/InstCombine/reduction-xor-sext-zext-i1.ll
index 97b6f7b6d96cdc..134ce55e61c9b9 100644
--- a/llvm/test/Transforms/InstCombine/reduction-xor-sext-zext-i1.ll
+++ b/llvm/test/Transforms/InstCombine/reduction-xor-sext-zext-i1.ll
@@ -5,8 +5,7 @@ define i1 @reduce_xor_self(<8 x i1> %x) {
 ; CHECK-LABEL: @reduce_xor_self(
 ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <8 x i1> [[X:%.*]] to i8
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i8 @llvm.ctpop.i8(i8 [[TMP1]]), !range [[RNG0:![0-9]+]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i8 [[TMP2]], 1
-; CHECK-NEXT:    [[RES:%.*]] = icmp ne i8 [[TMP3]], 0
+; CHECK-NEXT:    [[RES:%.*]] = trunc i8 [[TMP2]] to i1
 ; CHECK-NEXT:    ret i1 [[RES]]
 ;
   %res = call i1 @llvm.vector.reduce.xor.v8i32(<8 x i1> %x)
@@ -17,9 +16,8 @@ define i32 @reduce_xor_sext(<4 x i1> %x) {
 ; CHECK-LABEL: @reduce_xor_sext(
 ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <4 x i1> [[X:%.*]] to i4
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i4 @llvm.ctpop.i4(i4 [[TMP1]]), !range [[RNG1:![0-9]+]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i4 [[TMP2]], 1
-; CHECK-NEXT:    [[SEXT:%.*]] = sub nsw i4 0, [[TMP3]]
-; CHECK-NEXT:    [[RES:%.*]] = sext i4 [[SEXT]] to i32
+; CHECK-NEXT:    [[TMP3:%.*]] = trunc i4 [[TMP2]] to i1
+; CHECK-NEXT:    [[RES:%.*]] = sext i1 [[TMP3]] to i32
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
   %sext = sext <4 x i1> %x to <4 x i32>
@@ -31,8 +29,8 @@ define i64 @reduce_xor_zext(<8 x i1> %x) {
 ; CHECK-LABEL: @reduce_xor_zext(
 ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <8 x i1> [[X:%.*]] to i8
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i8 @llvm.ctpop.i8(i8 [[TMP1]]), !range [[RNG0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i8 [[TMP2]], 1
-; CHECK-NEXT:    [[RES:%.*]] = zext nneg i8 [[TMP3]] to i64
+; CHECK-NEXT:    [[DOTMASK:%.*]] = and i8 [[TMP2]], 1
+; CHECK-NEXT:    [[RES:%.*]] = zext nneg i8 [[DOTMASK]] to i64
 ; CHECK-NEXT:    ret i64 [[RES]]
 ;
   %zext = zext <8 x i1> %x to <8 x i64>
@@ -45,8 +43,8 @@ define i16 @reduce_xor_sext_same(<16 x i1> %x) {
 ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <16 x i1> [[X:%.*]] to i16
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i16 @llvm.ctpop.i16(i16 [[TMP1]]), !range [[RNG2:![0-9]+]]
 ; CHECK-NEXT:    [[TMP3:%.*]] = and i16 [[TMP2]], 1
-; CHECK-NEXT:    [[SEXT:%.*]] = sub nsw i16 0, [[TMP3]]
-; CHECK-NEXT:    ret i16 [[SEXT]]
+; CHECK-NEXT:    [[RES:%.*]] = sub nsw i16 0, [[TMP3]]
+; CHECK-NEXT:    ret i16 [[RES]]
 ;
   %sext = sext <16 x i1> %x to <16 x i16>
   %res = call i16 @llvm.vector.reduce.xor.v16i16(<16 x i16> %sext)
@@ -57,9 +55,8 @@ define i8 @reduce_xor_zext_long(<128 x i1> %x) {
 ; CHECK-LABEL: @reduce_xor_zext_long(
 ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <128 x i1> [[X:%.*]] to i128
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i128 @llvm.ctpop.i128(i128 [[TMP1]]), !range [[RNG3:![0-9]+]]
-; CHECK-NEXT:    [[TMP3:%.*]] = trunc i128 [[TMP2]] to i8
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[TMP3]], 1
-; CHECK-NEXT:    [[RES:%.*]] = sub nsw i8 0, [[TMP4]]
+; CHECK-NEXT:    [[TMP3:%.*]] = trunc i128 [[TMP2]] to i1
+; CHECK-NEXT:    [[RES:%.*]] = sext i1 [[TMP3]] to i8
 ; CHECK-NEXT:    ret i8 [[RES]]
 ;
   %sext = sext <128 x i1> %x to <128 x i8>
@@ -72,11 +69,10 @@ define i8 @reduce_xor_zext_long_external_use(<128 x i1> %x) {
 ; CHECK-LABEL: @reduce_xor_zext_long_external_use(
 ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <128 x i1> [[X:%.*]] to i128
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i128 @llvm.ctpop.i128(i128 [[TMP1]]), !range [[RNG3]]
-; CHECK-NEXT:    [[TMP3:%.*]] = trunc i128 [[TMP2]] to i8
-; CHECK-NEXT:    [[TMP4:%.*]] = and i8 [[TMP3]], 1
-; CHECK-NEXT:    [[RES:%.*]] = sub nsw i8 0, [[TMP4]]
-; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <128 x i1> [[X]], i64 0
-; CHECK-NEXT:    [[EXT:%.*]] = sext i1 [[TMP5]] to i8
+; CHECK-NEXT:    [[TMP3:%.*]] = trunc i128 [[TMP2]] to i1
+; CHECK-NEXT:    [[RES:%.*]] = sext i1 [[TMP3]] to i8
+; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <128 x i1> [[X]], i64 0
+; CHECK-NEXT:    [[EXT:%.*]] = sext i1 [[TMP4]] to i8
 ; CHECK-NEXT:    store i8 [[EXT]], ptr @glob, align 1
 ; CHECK-NEXT:    ret i8 [[RES]]
 ;
@@ -92,10 +88,10 @@ define i64 @reduce_xor_zext_external_use(<8 x i1> %x) {
 ; CHECK-LABEL: @reduce_xor_zext_external_use(
 ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <8 x i1> [[X:%.*]] to i8
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i8 @llvm.ctpop.i8(i8 [[TMP1]]), !range [[RNG0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i8 [[TMP2]], 1
-; CHECK-NEXT:    [[RES:%.*]] = zext nneg i8 [[TMP3]] to i64
-; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <8 x i1> [[X]], i64 0
-; CHECK-NEXT:    [[EXT:%.*]] = zext i1 [[TMP4]] to i64
+; CHECK-NEXT:    [[DOTMASK:%.*]] = and i8 [[TMP2]], 1
+; CHECK-NEXT:    [[RES:%.*]] = zext nneg i8 [[DOTMASK]] to i64
+; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <8 x i1> [[X]], i64 0
+; CHECK-NEXT:    [[EXT:%.*]] = zext i1 [[TMP3]] to i64
 ; CHECK-NEXT:    store i64 [[EXT]], ptr @glob1, align 8
 ; CHECK-NEXT:    ret i64 [[RES]]
 ;
diff --git a/llvm/test/Transforms/InstCombine/select-ctlz-to-cttz.ll b/llvm/test/Transforms/InstCombine/select-ctlz-to-cttz.ll
index fa8443d4c9578e..2717efadd386fe 100644
--- a/llvm/test/Transforms/InstCombine/select-ctlz-to-cttz.ll
+++ b/llvm/test/Transforms/InstCombine/select-ctlz-to-cttz.ll
@@ -156,8 +156,8 @@ define i64 @select_clz_to_ctz_i64_wrong_xor(i64 %a) {
 ; CHECK-NEXT:    [[SUB:%.*]] = sub i64 0, [[A:%.*]]
 ; CHECK-NEXT:    [[AND:%.*]] = and i64 [[SUB]], [[A]]
 ; CHECK-NEXT:    [[LZ:%.*]] = tail call i64 @llvm.ctlz.i64(i64 [[AND]], i1 true), !range [[RNG1]]
-; CHECK-NEXT:    [[SUB11:%.*]] = or disjoint i64 [[LZ]], 64
-; CHECK-NEXT:    ret i64 [[SUB11]]
+; CHECK-NEXT:    [[SUB1:%.*]] = or disjoint i64 [[LZ]], 64
+; CHECK-NEXT:    ret i64 [[SUB1]]
 ;
   %sub = sub i64 0, %a
   %and = and i64 %sub, %a
@@ -246,9 +246,12 @@ define i4 @PR45762(i3 %x4) {
 ; CHECK-NEXT:    [[T4:%.*]] = call i3 @llvm.cttz.i3(i3 [[X4:%.*]], i1 false), !range [[RNG2:![0-9]+]]
 ; CHECK-NEXT:    [[T7:%.*]] = zext nneg i3 [[T4]] to i4
 ; CHECK-NEXT:    [[ONE_HOT_16:%.*]] = shl nuw i4 1, [[T7]]
-; CHECK-NEXT:    [[OR_69_NOT:%.*]] = icmp eq i3 [[X4]], 0
-; CHECK-NEXT:    [[UMUL_231:%.*]] = shl i4 [[ONE_HOT_16]], [[T7]]
-; CHECK-NEXT:    [[SEL_71:%.*]] = select i1 [[OR_69_NOT]], i4 -8, i4 [[UMUL_231]]
+; CHECK-NEXT:    [[BIT_SLICE_61:%.*]] = trunc i4 [[ONE_HOT_16]] to i1
+; CHECK-NEXT:    [[TMP1:%.*]] = and i4 [[ONE_HOT_16]], 6
+; CHECK-NEXT:    [[TMP2:%.*]] = icmp ne i4 [[TMP1]], 0
+; CHECK-NEXT:    [[OR_69:%.*]] = or i1 [[TMP2]], [[BIT_SLICE_61]]
+; CHECK-NEXT:    [[UMUL_231:%.*]] = select i1 [[OR_69]], i4 [[T7]], i4 0
+; CHECK-NEXT:    [[SEL_71:%.*]] = shl i4 [[ONE_HOT_16]], [[UMUL_231]]
 ; CHECK-NEXT:    ret i4 [[SEL_71]]
 ;
   %t4 = call i3 @llvm.cttz.i3(i3 %x4, i1 false)
@@ -275,9 +278,12 @@ define i4 @PR45762_logical(i3 %x4) {
 ; CHECK-NEXT:    [[T4:%.*]] = call i3 @llvm.cttz.i3(i3 [[X4:%.*]], i1 false), !range [[RNG2]]
 ; CHECK-NEXT:    [[T7:%.*]] = zext nneg i3 [[T4]] to i4
 ; CHECK-NEXT:    [[ONE_HOT_16:%.*]] = shl nuw i4 1, [[T7]]
-; CHECK-NEXT:    [[OR_69_NOT:%.*]] = icmp eq i3 [[X4]], 0
-; CHECK-NEXT:    [[UMUL_231:%.*]] = shl i4 [[ONE_HOT_16]], [[T7]]
-; CHECK-NEXT:    [[SEL_71:%.*]] = select i1 [[OR_69_NOT]], i4 -8, i4 [[UMUL_231]]
+; CHECK-NEXT:    [[BIT_SLICE_61:%.*]] = trunc i4 [[ONE_HOT_16]] to i1
+; CHECK-NEXT:    [[TMP1:%.*]] = and i4 [[ONE_HOT_16]], 6
+; CHECK-NEXT:    [[TMP2:%.*]] = icmp ne i4 [[TMP1]], 0
+; CHECK-NEXT:    [[OR_69:%.*]] = or i1 [[TMP2]], [[BIT_SLICE_61]]
+; CHECK-NEXT:    [[UMUL_231:%.*]] = select i1 [[OR_69]], i4 [[T7]], i4 0
+; CHECK-NEXT:    [[SEL_71:%.*]] = shl i4 [[ONE_HOT_16]], [[UMUL_231]]
 ; CHECK-NEXT:    ret i4 [[SEL_71]]
 ;
   %t4 = call i3 @llvm.cttz.i3(i3 %x4, i1 false)
diff --git a/llvm/test/Transforms/PhaseOrdering/X86/merge-functions.ll b/llvm/test/Transforms/PhaseOrdering/X86/merge-functions.ll
index 8f1c52c591631f..708cdc9ca45ec8 100644
--- a/llvm/test/Transforms/PhaseOrdering/X86/merge-functions.ll
+++ b/llvm/test/Transforms/PhaseOrdering/X86/merge-functions.ll
@@ -14,8 +14,7 @@ define i1 @test1(i32 %c) {
 ; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult i32 [[SWITCH_TABLEIDX]], 20
 ; CHECK-NEXT:    [[SWITCH_CAST:%.*]] = trunc i32 [[SWITCH_TABLEIDX]] to i20
 ; CHECK-NEXT:    [[SWITCH_DOWNSHIFT:%.*]] = lshr i20 -490991, [[SWITCH_CAST]]
-; CHECK-NEXT:    [[TMP1:%.*]] = and i20 [[SWITCH_DOWNSHIFT]], 1
-; CHECK-NEXT:    [[SWITCH_MASKED:%.*]] = icmp ne i20 [[TMP1]], 0
+; CHECK-NEXT:    [[SWITCH_MASKED:%.*]] = trunc i20 [[SWITCH_DOWNSHIFT]] to i1
 ; CHECK-NEXT:    [[I_0:%.*]] = select i1 [[TMP0]], i1 [[SWITCH_MASKED]], i1 false
 ; CHECK-NEXT:    ret i1 [[I_0]]
 ;



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