[llvm] [GlobalISel] Combine (X == 0) & (Y == 0) -> (X | Y) == 0 (PR #69017)
Dávid Ferenc Szabó via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 13 10:57:35 PDT 2023
https://github.com/dfszabo created https://github.com/llvm/llvm-project/pull/69017
Also combine (X != 0) | (X != 0) -> (X | Y) != 0
>From 0d4cb7523a2bac64a34474425a6a1ea9077c228e Mon Sep 17 00:00:00 2001
From: dszabo <szabodavidferenc at gmail.com>
Date: Fri, 13 Oct 2023 19:38:41 +0200
Subject: [PATCH] [GlobalISel] Combine (X == 0) & (Y == 0) -> (X | Y) == 0
Also combine (X != 0) | (X != 0) -> (X | Y) != 0
---
.../llvm/CodeGen/GlobalISel/CombinerHelper.h | 4 +
.../include/llvm/Target/GlobalISel/Combine.td | 8 +-
.../lib/CodeGen/GlobalISel/CombinerHelper.cpp | 41 +
.../combine-2-icmps-of-0-and-or.mir | 731 ++++++++++++++++++
llvm/test/CodeGen/AArch64/cmp-chains.ll | 49 +-
5 files changed, 796 insertions(+), 37 deletions(-)
create mode 100644 llvm/test/CodeGen/AArch64/GlobalISel/combine-2-icmps-of-0-and-or.mir
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h b/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
index d8f19c19ee106b6..6be43395232364d 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
@@ -805,6 +805,10 @@ class CombinerHelper {
/// (X ^ Y) != X -> Y != 0
bool matchRedundantBinOpInEquality(MachineInstr &MI, BuildFnTy &MatchInfo);
+ /// Transform: (X == 0 & Y == 0) -> (X | Y) == 0
+ /// (X != 0 | Y != 0) -> (X | Y) != 0
+ bool matchDoubleICmpZeroAndOr(MachineInstr &MI, BuildFnTy &MatchInfo);
+
/// Match shifts greater or equal to the bitwidth of the operation.
bool matchShiftsTooBig(MachineInstr &MI);
diff --git a/llvm/include/llvm/Target/GlobalISel/Combine.td b/llvm/include/llvm/Target/GlobalISel/Combine.td
index 7e0691e1ee95048..d68dfcdd7246a19 100644
--- a/llvm/include/llvm/Target/GlobalISel/Combine.td
+++ b/llvm/include/llvm/Target/GlobalISel/Combine.td
@@ -903,6 +903,12 @@ def redundant_binop_in_equality : GICombineRule<
[{ return Helper.matchRedundantBinOpInEquality(*${root}, ${info}); }]),
(apply [{ Helper.applyBuildFn(*${root}, ${info}); }])>;
+def double_icmp_zero_and_or_combine : GICombineRule<
+ (defs root:$root, build_fn_matchinfo:$info),
+ (match (wip_match_opcode G_AND, G_OR):$root,
+ [{ return Helper.matchDoubleICmpZeroAndOr(*${root}, ${info}); }]),
+ (apply [{ Helper.applyBuildFn(*${root}, ${info}); }])>;
+
def and_or_disjoint_mask : GICombineRule<
(defs root:$root, build_fn_matchinfo:$info),
(match (wip_match_opcode G_AND):$root,
@@ -1265,7 +1271,7 @@ def all_combines : GICombineGroup<[trivial_combines, insert_vec_elt_combines,
intdiv_combines, mulh_combines, redundant_neg_operands,
and_or_disjoint_mask, fma_combines, fold_binop_into_select,
sub_add_reg, select_to_minmax, redundant_binop_in_equality,
- fsub_to_fneg, commute_constant_to_rhs]>;
+ double_icmp_zero_and_or_combine, fsub_to_fneg, commute_constant_to_rhs]>;
// A combine group used to for prelegalizer combiners at -O0. The combines in
// this group have been selected based on experiments to balance code size and
diff --git a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
index 9efb70f28fee3ee..aeaf807889baa83 100644
--- a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
@@ -6066,6 +6066,47 @@ bool CombinerHelper::matchRedundantBinOpInEquality(MachineInstr &MI,
return CmpInst::isEquality(Pred) && Y.isValid();
}
+bool CombinerHelper::matchDoubleICmpZeroAndOr(
+ MachineInstr &MI, std::function<void(MachineIRBuilder &)> &MatchInfo) {
+ const unsigned Opcode = MI.getOpcode();
+ assert(Opcode == TargetOpcode::G_OR || Opcode == TargetOpcode::G_AND);
+
+ Register Dst = MI.getOperand(0).getReg();
+ CmpInst::Predicate LHSPred, RHSPred;
+ int64_t LHSImm, RHSImm;
+ Register LHSCmpSrc, RHSCmpSrc;
+ if (!mi_match(
+ Dst, MRI,
+ m_BinOp(Opcode,
+ m_GICmp(m_Pred(LHSPred), m_Reg(LHSCmpSrc), m_ICst(LHSImm)),
+ m_GICmp(m_Pred(RHSPred), m_Reg(RHSCmpSrc), m_ICst(RHSImm)))))
+ return false;
+
+ // G_OR and G_AND cannot handle pointers
+ auto LHSSrcTy = MRI.getType(LHSCmpSrc);
+ if (LHSSrcTy.isPointer() || MRI.getType(RHSCmpSrc).isPointer())
+ return false;
+
+ const bool IsAnd = Opcode == TargetOpcode::G_AND;
+ if ((IsAnd && LHSPred != CmpInst::ICMP_EQ) ||
+ (!IsAnd && LHSPred != CmpInst::ICMP_NE) || LHSPred != RHSPred)
+ return false;
+
+ if (LHSImm != 0 || RHSImm != 0)
+ return false;
+
+ MatchInfo = [=](MachineIRBuilder &B) {
+ const Register OrDst = MRI.createGenericVirtualRegister(LHSSrcTy);
+ auto Zero = B.buildConstant(LHSSrcTy, 0);
+ B.buildOr(OrDst, LHSCmpSrc, RHSCmpSrc);
+ B.buildICmp(IsAnd ? CmpInst::Predicate::ICMP_EQ
+ : CmpInst::Predicate::ICMP_NE,
+ Dst, OrDst, Zero);
+ };
+
+ return true;
+}
+
bool CombinerHelper::matchShiftsTooBig(MachineInstr &MI) {
Register ShiftReg = MI.getOperand(2).getReg();
LLT ResTy = MRI.getType(MI.getOperand(0).getReg());
diff --git a/llvm/test/CodeGen/AArch64/GlobalISel/combine-2-icmps-of-0-and-or.mir b/llvm/test/CodeGen/AArch64/GlobalISel/combine-2-icmps-of-0-and-or.mir
new file mode 100644
index 000000000000000..d2bf7f5ba51d746
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/GlobalISel/combine-2-icmps-of-0-and-or.mir
@@ -0,0 +1,731 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple aarch64 -run-pass=aarch64-prelegalizer-combiner --aarch64prelegalizercombinerhelper-only-enable-rule="double_icmp_zero_and_or_combine" -verify-machineinstrs %s -o - | FileCheck %s
+# REQUIRES: asserts
+
+
+---
+name: valid_and_eq_0_eq_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: valid_and_eq_0_eq_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR %x, %y
+ ; CHECK-NEXT: %and:_(s1) = G_ICMP intpred(eq), [[OR]](s32), %zero
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s32), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %and:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_and_eq_1_eq_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_and_eq_1_eq_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %one:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(s32), %one
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(s32), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %one:_(s32) = G_CONSTANT i32 1
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s32), %one:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s32), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %and:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_and_eq_0_eq_1_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_and_eq_0_eq_1_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %one:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(s32), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(s32), %one
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %one:_(s32) = G_CONSTANT i32 1
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s32), %one:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %and:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_and_ne_0_eq_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_and_ne_0_eq_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s32), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(s32), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s32), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %and:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_and_eq_0_ne_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_and_eq_0_ne_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(s32), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s32), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s32), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %and:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_and_ne_0_ne_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_and_ne_0_ne_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s32), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s32), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s32), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %and:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: valid_or_ne_0_ne_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: valid_or_ne_0_ne_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR %x, %y
+ ; CHECK-NEXT: %or:_(s1) = G_ICMP intpred(ne), [[OR]](s32), %zero
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s32), %zero:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %or:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_or_ne_1_ne_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_or_ne_1_ne_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %one:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s32), %one
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s32), %zero
+ ; CHECK-NEXT: %or:_(s1) = G_OR %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %one:_(s32) = G_CONSTANT i32 1
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s32), %one:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s32), %zero:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %or:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_or_ne_0_ne_1_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_or_ne_0_ne_1_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %one:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s32), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s32), %one
+ ; CHECK-NEXT: %or:_(s1) = G_OR %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %one:_(s32) = G_CONSTANT i32 1
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s32), %one:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %or:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_or_eq_0_ne_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_or_eq_0_ne_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(s32), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s32), %zero
+ ; CHECK-NEXT: %or:_(s1) = G_OR %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s32), %zero:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %or:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+---
+name: invalid_or_ne_0_eq_0_s32
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $w0, $w1
+
+ ; CHECK-LABEL: name: invalid_or_ne_0_eq_0_s32
+ ; CHECK: liveins: $w0, $w1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s32) = COPY $w0
+ ; CHECK-NEXT: %y:_(s32) = COPY $w1
+ ; CHECK-NEXT: %zero:_(s32) = G_CONSTANT i32 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s32), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(s32), %zero
+ ; CHECK-NEXT: %or:_(s1) = G_OR %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s32) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $w0 = COPY %zext(s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %x:_(s32) = COPY $w0
+ %y:_(s32) = COPY $w1
+ %zero:_(s32) = G_CONSTANT i32 0
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s32), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s32), %zero:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s32) = G_ZEXT %or:_(s1)
+ $w0 = COPY %zext
+ RET_ReallyLR implicit $w0
+
+...
+
+---
+name: valid_and_eq_0_eq_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: valid_and_eq_0_eq_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s64) = G_OR %x, %y
+ ; CHECK-NEXT: %and:_(s1) = G_ICMP intpred(eq), [[OR]](s64), %zero
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s64), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %and:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_and_eq_1_eq_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_and_eq_1_eq_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %one:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(s64), %one
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(s64), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %one:_(s64) = G_CONSTANT i64 1
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s64), %one:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s64), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %and:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_and_eq_0_eq_1_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_and_eq_0_eq_1_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %one:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(s64), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(s64), %one
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %one:_(s64) = G_CONSTANT i64 1
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s64), %one:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %and:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_and_ne_0_eq_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_and_ne_0_eq_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s64), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(s64), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s64), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %and:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_and_eq_0_ne_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_and_eq_0_ne_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(s64), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s64), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s64), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %and:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_and_ne_0_ne_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_and_ne_0_ne_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s64), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s64), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s64), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %and:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: valid_or_ne_0_ne_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: valid_or_ne_0_ne_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s64) = G_OR %x, %y
+ ; CHECK-NEXT: %or:_(s1) = G_ICMP intpred(ne), [[OR]](s64), %zero
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s64), %zero:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %or:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_or_ne_1_ne_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_or_ne_1_ne_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %one:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s64), %one
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s64), %zero
+ ; CHECK-NEXT: %or:_(s1) = G_OR %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %one:_(s64) = G_CONSTANT i64 1
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s64), %one:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s64), %zero:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %or:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_or_ne_0_ne_1_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_or_ne_0_ne_1_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %one:_(s64) = G_CONSTANT i64 1
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s64), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s64), %one
+ ; CHECK-NEXT: %or:_(s1) = G_OR %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %one:_(s64) = G_CONSTANT i64 1
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s64), %one:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %or:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_or_eq_0_ne_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_or_eq_0_ne_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(s64), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(ne), %y(s64), %zero
+ ; CHECK-NEXT: %or:_(s1) = G_OR %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(ne), %y:_(s64), %zero:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %or:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_or_ne_0_eq_0_s64
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_or_ne_0_eq_0_s64
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(s64) = COPY $x0
+ ; CHECK-NEXT: %y:_(s64) = COPY $x1
+ ; CHECK-NEXT: %zero:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(ne), %x(s64), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(s64), %zero
+ ; CHECK-NEXT: %or:_(s1) = G_OR %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %or(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(s64) = COPY $x0
+ %y:_(s64) = COPY $x1
+ %zero:_(s64) = G_CONSTANT i64 0
+ %cmp1:_(s1) = G_ICMP intpred(ne), %x:_(s64), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(s64), %zero:_
+ %or:_(s1) = G_OR %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %or:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
+---
+name: invalid_and_eq_0_eq_0_s64_p0_src
+tracksRegLiveness: true
+legalized: true
+body: |
+ bb.0:
+ liveins: $x0, $x1
+
+ ; CHECK-LABEL: name: invalid_and_eq_0_eq_0_s64_p0_src
+ ; CHECK: liveins: $x0, $x1
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: %x:_(p0) = COPY $x0
+ ; CHECK-NEXT: %y:_(p0) = COPY $x1
+ ; CHECK-NEXT: %zero:_(p0) = G_CONSTANT i64 0
+ ; CHECK-NEXT: %cmp1:_(s1) = G_ICMP intpred(eq), %x(p0), %zero
+ ; CHECK-NEXT: %cmp2:_(s1) = G_ICMP intpred(eq), %y(p0), %zero
+ ; CHECK-NEXT: %and:_(s1) = G_AND %cmp1, %cmp2
+ ; CHECK-NEXT: %zext:_(s64) = G_ZEXT %and(s1)
+ ; CHECK-NEXT: $x0 = COPY %zext(s64)
+ ; CHECK-NEXT: RET_ReallyLR implicit $x0
+ %x:_(p0) = COPY $x0
+ %y:_(p0) = COPY $x1
+ %zero:_(p0) = G_CONSTANT i64 0
+ %cmp1:_(s1) = G_ICMP intpred(eq), %x:_(p0), %zero:_
+ %cmp2:_(s1) = G_ICMP intpred(eq), %y:_(p0), %zero:_
+ %and:_(s1) = G_AND %cmp1, %cmp2
+ %zext:_(s64) = G_ZEXT %and:_(s1)
+ $x0 = COPY %zext
+ RET_ReallyLR implicit $x0
+
+...
diff --git a/llvm/test/CodeGen/AArch64/cmp-chains.ll b/llvm/test/CodeGen/AArch64/cmp-chains.ll
index c4ad84d9fa25ba3..4eaa25608d16ff7 100644
--- a/llvm/test/CodeGen/AArch64/cmp-chains.ll
+++ b/llvm/test/CodeGen/AArch64/cmp-chains.ll
@@ -186,21 +186,12 @@ define i32 @cmp_or4(i32 %0, i32 %1, i32 %2, i32 %3, i32 %4, i32 %5, i32 %6, i32
; (x0 != 0) || (x1 != 0)
define i32 @true_or2(i32 %0, i32 %1) {
-; SDISEL-LABEL: true_or2:
-; SDISEL: // %bb.0:
-; SDISEL-NEXT: orr w8, w0, w1
-; SDISEL-NEXT: cmp w8, #0
-; SDISEL-NEXT: cset w0, ne
-; SDISEL-NEXT: ret
-;
-; GISEL-LABEL: true_or2:
-; GISEL: // %bb.0:
-; GISEL-NEXT: cmp w0, #0
-; GISEL-NEXT: cset w8, ne
-; GISEL-NEXT: cmp w1, #0
-; GISEL-NEXT: cset w9, ne
-; GISEL-NEXT: orr w0, w8, w9
-; GISEL-NEXT: ret
+; CHECK-LABEL: true_or2:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w8, w0, w1
+; CHECK-NEXT: cmp w8, #0
+; CHECK-NEXT: cset w0, ne
+; CHECK-NEXT: ret
%3 = icmp ne i32 %0, 0
%4 = icmp ne i32 %1, 0
%5 = select i1 %3, i1 true, i1 %4
@@ -210,25 +201,13 @@ define i32 @true_or2(i32 %0, i32 %1) {
; (x0 != 0) || (x1 != 0) || (x2 != 0)
define i32 @true_or3(i32 %0, i32 %1, i32 %2) {
-; SDISEL-LABEL: true_or3:
-; SDISEL: // %bb.0:
-; SDISEL-NEXT: orr w8, w0, w1
-; SDISEL-NEXT: orr w8, w8, w2
-; SDISEL-NEXT: cmp w8, #0
-; SDISEL-NEXT: cset w0, ne
-; SDISEL-NEXT: ret
-;
-; GISEL-LABEL: true_or3:
-; GISEL: // %bb.0:
-; GISEL-NEXT: cmp w0, #0
-; GISEL-NEXT: cset w8, ne
-; GISEL-NEXT: cmp w1, #0
-; GISEL-NEXT: cset w9, ne
-; GISEL-NEXT: cmp w2, #0
-; GISEL-NEXT: orr w8, w8, w9
-; GISEL-NEXT: cset w9, ne
-; GISEL-NEXT: orr w0, w8, w9
-; GISEL-NEXT: ret
+; CHECK-LABEL: true_or3:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w8, w0, w1
+; CHECK-NEXT: orr w8, w8, w2
+; CHECK-NEXT: cmp w8, #0
+; CHECK-NEXT: cset w0, ne
+; CHECK-NEXT: ret
%4 = icmp ne i32 %0, 0
%5 = icmp ne i32 %1, 0
%6 = select i1 %4, i1 true, i1 %5
@@ -237,5 +216,3 @@ define i32 @true_or3(i32 %0, i32 %1, i32 %2) {
%9 = zext i1 %8 to i32
ret i32 %9
}
-;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
-; CHECK: {{.*}}
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