[llvm] 7eb4ec1 - [VPlan] Print predicates for widened cmp instructions (NFC).

Florian Hahn via llvm-commits llvm-commits at lists.llvm.org
Fri Oct 21 00:54:30 PDT 2022


Author: Florian Hahn
Date: 2022-10-21T08:54:11+01:00
New Revision: 7eb4ec1c75e4b314718bdb73ec5c1eb8ec04dfbd

URL: https://github.com/llvm/llvm-project/commit/7eb4ec1c75e4b314718bdb73ec5c1eb8ec04dfbd
DIFF: https://github.com/llvm/llvm-project/commit/7eb4ec1c75e4b314718bdb73ec5c1eb8ec04dfbd.diff

LOG: [VPlan] Print predicates for widened cmp instructions (NFC).

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    llvm/test/Transforms/LoopVectorize/icmp-uniforms.ll
    llvm/test/Transforms/LoopVectorize/vplan-printing.ll
    llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
index 663663689aa8a..11900b3b89db4 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
@@ -683,7 +683,10 @@ void VPWidenRecipe::print(raw_ostream &O, const Twine &Indent,
                           VPSlotTracker &SlotTracker) const {
   O << Indent << "WIDEN ";
   printAsOperand(O, SlotTracker);
-  O << " = " << getUnderlyingInstr()->getOpcodeName() << " ";
+  const Instruction *UI = getUnderlyingInstr();
+  O << " = " << UI->getOpcodeName() << " ";
+  if (auto *Cmp = dyn_cast<CmpInst>(UI))
+    O << CmpInst::getPredicateName(Cmp->getPredicate()) << " ";
   printOperands(O, SlotTracker);
 }
 

diff  --git a/llvm/test/Transforms/LoopVectorize/icmp-uniforms.ll b/llvm/test/Transforms/LoopVectorize/icmp-uniforms.ll
index 25e56d6c90ce1..68c23d70bb2be 100644
--- a/llvm/test/Transforms/LoopVectorize/icmp-uniforms.ll
+++ b/llvm/test/Transforms/LoopVectorize/icmp-uniforms.ll
@@ -50,7 +50,7 @@ for.end:
 ; CHECK-NEXT:   WIDEN-INDUCTION %iv = phi 0, %iv.next, ir<1>
 ; CHECK-NEXT:   vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<0>, ir<1>
 ; CHECK-NEXT:   EMIT vp<[[COND:%.+]]> = icmp ule ir<%iv> vp<[[BTC]]>
-; CHECK-NEXT:   WIDEN ir<%cond0> = icmp ir<%iv>, ir<13>
+; CHECK-NEXT:   WIDEN ir<%cond0> = icmp ult ir<%iv>, ir<13>
 ; CHECK-NEXT:   WIDEN-SELECT ir<%s> = select ir<%cond0>, ir<10>, ir<20>
 ; CHECK-NEXT: Successor(s): pred.store
 ; CHECK-EMPTY:

diff  --git a/llvm/test/Transforms/LoopVectorize/vplan-printing.ll b/llvm/test/Transforms/LoopVectorize/vplan-printing.ll
index a0be7400830a7..cd622d9a7071d 100644
--- a/llvm/test/Transforms/LoopVectorize/vplan-printing.ll
+++ b/llvm/test/Transforms/LoopVectorize/vplan-printing.ll
@@ -67,7 +67,7 @@ define void @print_widen_gep_and_select(i64 %n, float* noalias %y, float* noalia
 ; CHECK-NEXT:   vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<0>, ir<1>
 ; CHECK-NEXT:   WIDEN-GEP Inv[Var] ir<%arrayidx> = getelementptr ir<%y>, ir<%iv>
 ; CHECK-NEXT:   WIDEN ir<%lv> = load ir<%arrayidx>
-; CHECK-NEXT:   WIDEN ir<%cmp> = icmp ir<%arrayidx>, ir<%z>
+; CHECK-NEXT:   WIDEN ir<%cmp> = icmp eq ir<%arrayidx>, ir<%z>
 ; CHECK-NEXT:   WIDEN-SELECT ir<%sel> = select ir<%cmp>, ir<1.000000e+01>, ir<2.000000e+01>
 ; CHECK-NEXT:   WIDEN ir<%add> = fadd ir<%lv>, ir<%sel>
 ; CHECK-NEXT:   CLONE ir<%arrayidx2> = getelementptr ir<%x>, vp<[[STEPS]]>
@@ -205,7 +205,7 @@ define void @print_replicate_predicated_phi(i64 %n, i64* %x) {
 ; CHECK-NEXT:   EMIT vp<[[CAN_IV:%.+]]> = CANONICAL-INDUCTION
 ; CHECK-NEXT:   WIDEN-INDUCTION %i = phi 0, %i.next, ir<1>
 ; CHECK-NEXT:   vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<0>, ir<1>
-; CHECK-NEXT:   WIDEN ir<%cmp> = icmp ir<%i>, ir<5>
+; CHECK-NEXT:   WIDEN ir<%cmp> = icmp ult ir<%i>, ir<5>
 ; CHECK-NEXT: Successor(s): if.then
 ; CHECK-EMPTY:
 ; CHECK-NEXT: if.then:
@@ -402,11 +402,11 @@ define void @debug_loc_vpinstruction(i32* nocapture %asd, i32* nocapture %bsd) !
 ; CHECK-NEXT:    CLONE ir<%isd> = getelementptr ir<%asd>, vp<[[STEPS]]>
 ; CHECK-NEXT:    WIDEN ir<%lsd> = load ir<%isd>
 ; CHECK-NEXT:    WIDEN ir<%psd> = add ir<%lsd>, ir<23>
-; CHECK-NEXT:    WIDEN ir<%cmp1> = icmp ir<%lsd>, ir<100>
+; CHECK-NEXT:    WIDEN ir<%cmp1> = icmp slt ir<%lsd>, ir<100>
 ; CHECK-NEXT:  Successor(s): check
 ; CHECK-EMPTY:
 ; CHECK-NEXT:  check:
-; CHECK-NEXT:    WIDEN ir<%cmp2> = icmp ir<%lsd>, ir<200>
+; CHECK-NEXT:    WIDEN ir<%cmp2> = icmp sge ir<%lsd>, ir<200>
 ; CHECK-NEXT:  Successor(s): if.then
 ; CHECK-EMPTY:
 ; CHECK-NEXT:  if.then:

diff  --git a/llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll b/llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll
index 69114935aaf70..9e766dd0e3d40 100644
--- a/llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll
+++ b/llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll
@@ -254,7 +254,7 @@ define void @uniform_gep(i64 %k, i16* noalias %A, i16* noalias %B) {
 ; CHECK-NEXT:   EMIT vp<[[MASK:%.+]]> = icmp ule vp<[[WIDE_CAN_IV]]> vp<[[BTC]]>
 ; CHECK-NEXT:   CLONE ir<%gep.A.uniform> = getelementptr ir<%A>, ir<0>
 ; CHECK-NEXT:   CLONE ir<%lv> = load ir<%gep.A.uniform>
-; CHECK-NEXT:   WIDEN ir<%cmp> = icmp ir<%iv>, ir<%k>
+; CHECK-NEXT:   WIDEN ir<%cmp> = icmp ult ir<%iv>, ir<%k>
 ; CHECK-NEXT: Successor(s): loop.then
 ; CHECK-EMPTY:
 ; CHECK-NEXT: loop.then:
@@ -326,7 +326,7 @@ define void @pred_cfg1(i32 %k, i32 %j) {
 ; CHECK-NEXT:   WIDEN-INDUCTION %iv = phi 0, %iv.next, ir<1>
 ; CHECK-NEXT:   vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<0>, ir<1>
 ; CHECK-NEXT:   EMIT vp<[[MASK1:%.+]]> = icmp ule ir<%iv> vp<[[BTC]]>
-; CHECK-NEXT:   WIDEN ir<%c.1> = icmp ir<%iv>, ir<%j>
+; CHECK-NEXT:   WIDEN ir<%c.1> = icmp ult ir<%iv>, ir<%j>
 ; CHECK-NEXT:   WIDEN ir<%mul> = mul ir<%iv>, ir<10>
 ; CHECK-NEXT: Successor(s): then.0
 ; CHECK-EMPTY:
@@ -428,8 +428,8 @@ define void @pred_cfg2(i32 %k, i32 %j) {
 ; CHECK-NEXT:   vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<0>, ir<1>
 ; CHECK-NEXT:   EMIT vp<[[MASK1:%.+]]> = icmp ule ir<%iv> vp<[[BTC]]>
 ; CHECK-NEXT:   WIDEN ir<%mul> = mul ir<%iv>, ir<10>
-; CHECK-NEXT:   WIDEN ir<%c.0> = icmp ir<%iv>, ir<%j>
-; CHECK-NEXT:   WIDEN ir<%c.1> = icmp ir<%iv>, ir<%j>
+; CHECK-NEXT:   WIDEN ir<%c.0> = icmp ult ir<%iv>, ir<%j>
+; CHECK-NEXT:   WIDEN ir<%c.1> = icmp ugt ir<%iv>, ir<%j>
 ; CHECK-NEXT: Successor(s): then.0
 ; CHECK-EMPTY:
 ; CHECK-NEXT: then.0:
@@ -544,7 +544,7 @@ define void @pred_cfg3(i32 %k, i32 %j) {
 ; CHECK-NEXT:   vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<0>, ir<1>
 ; CHECK-NEXT:   EMIT vp<[[MASK1:%.+]]> = icmp ule ir<%iv> vp<[[BTC]]>
 ; CHECK-NEXT:   WIDEN ir<%mul> = mul ir<%iv>, ir<10>
-; CHECK-NEXT:   WIDEN ir<%c.0> = icmp ir<%iv>, ir<%j>
+; CHECK-NEXT:   WIDEN ir<%c.0> = icmp ult ir<%iv>, ir<%j>
 ; CHECK-NEXT: Successor(s): then.0
 ; CHECK-EMPTY:
 ; CHECK-NEXT: then.0:
@@ -696,7 +696,7 @@ define void @merge_3_replicate_region(i32 %k, i32 %j) {
 ; CHECK-NEXT: Successor(s): loop.3
 ; CHECK-EMPTY:
 ; CHECK-NEXT: loop.3:
-; CHECK-NEXT:   WIDEN ir<%c.0> = icmp ir<%iv>, ir<%j>
+; CHECK-NEXT:   WIDEN ir<%c.0> = icmp ult ir<%iv>, ir<%j>
 ; CHECK-NEXT: Successor(s): then.0
 ; CHECK-EMPTY:
 ; CHECK-NEXT: then.0:
@@ -1002,7 +1002,7 @@ define void @sinking_requires_duplication(float* %addr) {
 ; CHECK-EMPTY:
 ; CHECK-NEXT: loop.body:
 ; CHECK-NEXT:   WIDEN ir<%0> = load ir<%gep>
-; CHECK-NEXT:   WIDEN ir<%pred> = fcmp ir<%0>, ir<0.000000e+00>
+; CHECK-NEXT:   WIDEN ir<%pred> = fcmp oeq ir<%0>, ir<0.000000e+00>
 ; CHECK-NEXT: Successor(s): then
 ; CHECK-EMPTY:
 ; CHECK-NEXT: then:
@@ -1143,7 +1143,7 @@ define void @ptr_induction_remove_dead_recipe(i8* %start, i8* %end) {
 ; CHECK-NEXT:     EMIT ir<%ptr.iv> = WIDEN-POINTER-INDUCTION ir<%start>, -1
 ; CHECK-NEXT:     CLONE ir<%ptr.iv.next> = getelementptr ir<%ptr.iv>, ir<-1>
 ; CHECK-NEXT:     WIDEN ir<%l> = load ir<%ptr.iv.next>
-; CHECK-NEXT:     WIDEN ir<%c.1> = icmp ir<%l>, ir<0>
+; CHECK-NEXT:     WIDEN ir<%c.1> = icmp eq ir<%l>, ir<0>
 ; CHECK-NEXT:   Successor(s): if.then
 ; CHECK-EMPTY:
 ; CHECK-NEXT:   if.then:


        


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