[SimplifyCFG][NFC] Autogenerate two tests

llvm-svn: 371310

2 files changed, 89 insertions, 26 deletions

diff --git a/llvm/test/Transforms/SimplifyCFG/SpeculativeExec.ll b/llvm/test/Transforms/SimplifyCFG/SpeculativeExec.ll
index 19a7a7ec597..e9e1d73a7b6 100644
--- a/llvm/test/Transforms/SimplifyCFG/SpeculativeExec.ll
+++ b/llvm/test/Transforms/SimplifyCFG/SpeculativeExec.ll
@@ -12,10 +12,10 @@ define i32 @test1(i32 %a, i32 %b, i32 %c) nounwind  {
 ; CHECK:       bb1:
 ; CHECK-NEXT:    [[TMP2:%.*]] = icmp sgt i32 [[C:%.*]], 1
 ; CHECK-NEXT:    [[TMP3:%.*]] = add i32 [[A:%.*]], 1
-; CHECK-NEXT:    [[TMP3_A:%.*]] = select i1 [[TMP2]], i32 [[TMP3]], i32 [[A]]
+; CHECK-NEXT:    [[SPEC_SELECT:%.*]] = select i1 [[TMP2]], i32 [[TMP3]], i32 [[A]]
 ; CHECK-NEXT:    br label [[BB3]]
 ; CHECK:       bb3:
-; CHECK-NEXT:    [[TMP4:%.*]] = phi i32 [ [[B]], [[ENTRY:%.*]] ], [ [[TMP3_A]], [[BB1]] ]
+; CHECK-NEXT:    [[TMP4:%.*]] = phi i32 [ [[B]], [[ENTRY:%.*]] ], [ [[SPEC_SELECT]], [[BB1]] ]
 ; CHECK-NEXT:    [[TMP5:%.*]] = sub i32 [[TMP4]], 1
 ; CHECK-NEXT:    ret i32 [[TMP5]]
 ;
@@ -97,8 +97,8 @@ define i32* @test5(i32 %a, i32 %b, i32 %c, i32* dereferenceable(10) %ptr1,
 ; CHECK:       bb1:
 ; CHECK-NEXT:    [[TMP2:%.*]] = icmp sgt i32 [[C:%.*]], 1
 ; CHECK-NEXT:    [[TMP3:%.*]] = load i32*, i32** [[PTR3:%.*]]
-; CHECK-NEXT:    [[TMP3_PTR2:%.*]] = select i1 [[TMP2]], i32* [[TMP3]], i32* [[PTR2:%.*]]
-; CHECK-NEXT:    ret i32* [[TMP3_PTR2]]
+; CHECK-NEXT:    [[SPEC_SELECT:%.*]] = select i1 [[TMP2]], i32* [[TMP3]], i32* [[PTR2:%.*]]
+; CHECK-NEXT:    ret i32* [[SPEC_SELECT]]
 ; CHECK:       bb3:
 ; CHECK-NEXT:    ret i32* [[PTR1:%.*]]
 ;
diff --git a/llvm/test/Transforms/SimplifyCFG/speculate-math.ll b/llvm/test/Transforms/SimplifyCFG/speculate-math.ll
index 87e01663edf..9edffafa236 100644
--- a/llvm/test/Transforms/SimplifyCFG/speculate-math.ll
+++ b/llvm/test/Transforms/SimplifyCFG/speculate-math.ll
@@ -1,5 +1,6 @@
-; RUN: opt -S -simplifycfg < %s | FileCheck %s --check-prefix=EXPENSIVE --check-prefix=ALL
-; RUN: opt -S -simplifycfg -speculate-one-expensive-inst=false < %s | FileCheck %s --check-prefix=CHEAP --check-prefix=ALL
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -simplifycfg < %s | FileCheck %s --check-prefix=ALL --check-prefix=EXPENSIVE
+; RUN: opt -S -simplifycfg -speculate-one-expensive-inst=false < %s | FileCheck %s --check-prefix=ALL --check-prefix=CHEAP
 
 declare float @llvm.sqrt.f32(float) nounwind readonly
 declare float @llvm.fma.f32(float, float, float) nounwind readonly
@@ -10,11 +11,25 @@ declare float @llvm.maxnum.f32(float, float) nounwind readonly
 declare float @llvm.minimum.f32(float, float) nounwind readonly
 declare float @llvm.maximum.f32(float, float) nounwind readonly
 
-; ALL-LABEL: @fdiv_test(
-; EXPENSIVE: select i1 %cmp, double %div, double 0.0
-; CHEAP-NOT: select
-
 define double @fdiv_test(double %a, double %b) {
+; EXPENSIVE-LABEL: @fdiv_test(
+; EXPENSIVE-NEXT:  entry:
+; EXPENSIVE-NEXT:    [[CMP:%.*]] = fcmp ogt double [[A:%.*]], 0.000000e+00
+; EXPENSIVE-NEXT:    [[DIV:%.*]] = fdiv double [[B:%.*]], [[A]]
+; EXPENSIVE-NEXT:    [[COND:%.*]] = select i1 [[CMP]], double [[DIV]], double 0.000000e+00
+; EXPENSIVE-NEXT:    ret double [[COND]]
+;
+; CHEAP-LABEL: @fdiv_test(
+; CHEAP-NEXT:  entry:
+; CHEAP-NEXT:    [[CMP:%.*]] = fcmp ogt double [[A:%.*]], 0.000000e+00
+; CHEAP-NEXT:    br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[COND_END:%.*]]
+; CHEAP:       cond.true:
+; CHEAP-NEXT:    [[DIV:%.*]] = fdiv double [[B:%.*]], [[A]]
+; CHEAP-NEXT:    br label [[COND_END]]
+; CHEAP:       cond.end:
+; CHEAP-NEXT:    [[COND:%.*]] = phi double [ [[DIV]], [[COND_TRUE]] ], [ 0.000000e+00, [[ENTRY:%.*]] ]
+; CHEAP-NEXT:    ret double [[COND]]
+;
 entry:
   %cmp = fcmp ogt double %a, 0.0
   br i1 %cmp, label %cond.true, label %cond.end
@@ -28,9 +43,15 @@ cond.end:
   ret double %cond
 }
 
-; ALL-LABEL: @sqrt_test(
-; ALL: select
 define void @sqrt_test(float addrspace(1)* noalias nocapture %out, float %a) nounwind {
+; ALL-LABEL: @sqrt_test(
+; ALL-NEXT:  entry:
+; ALL-NEXT:    [[CMP_I:%.*]] = fcmp olt float [[A:%.*]], 0.000000e+00
+; ALL-NEXT:    [[TMP0:%.*]] = tail call float @llvm.sqrt.f32(float [[A]]) #2
+; ALL-NEXT:    [[COND_I:%.*]] = select i1 [[CMP_I]], float 0x7FF8000000000000, float [[TMP0]]
+; ALL-NEXT:    store float [[COND_I]], float addrspace(1)* [[OUT:%.*]], align 4
+; ALL-NEXT:    ret void
+;
 entry:
   %cmp.i = fcmp olt float %a, 0.000000e+00
   br i1 %cmp.i, label %test_sqrt.exit, label %cond.else.i
@@ -45,9 +66,15 @@ test_sqrt.exit:                                   ; preds = %cond.else.i, %entry
   ret void
 }
 
-; ALL-LABEL: @fabs_test(
-; ALL: select
 define void @fabs_test(float addrspace(1)* noalias nocapture %out, float %a) nounwind {
+; ALL-LABEL: @fabs_test(
+; ALL-NEXT:  entry:
+; ALL-NEXT:    [[CMP_I:%.*]] = fcmp olt float [[A:%.*]], 0.000000e+00
+; ALL-NEXT:    [[TMP0:%.*]] = tail call float @llvm.fabs.f32(float [[A]]) #2
+; ALL-NEXT:    [[COND_I:%.*]] = select i1 [[CMP_I]], float 0x7FF8000000000000, float [[TMP0]]
+; ALL-NEXT:    store float [[COND_I]], float addrspace(1)* [[OUT:%.*]], align 4
+; ALL-NEXT:    ret void
+;
 entry:
   %cmp.i = fcmp olt float %a, 0.000000e+00
   br i1 %cmp.i, label %test_fabs.exit, label %cond.else.i
@@ -62,9 +89,15 @@ test_fabs.exit:                                   ; preds = %cond.else.i, %entry
   ret void
 }
 
-; ALL-LABEL: @fma_test(
-; ALL: select
 define void @fma_test(float addrspace(1)* noalias nocapture %out, float %a, float %b, float %c) nounwind {
+; ALL-LABEL: @fma_test(
+; ALL-NEXT:  entry:
+; ALL-NEXT:    [[CMP_I:%.*]] = fcmp olt float [[A:%.*]], 0.000000e+00
+; ALL-NEXT:    [[TMP0:%.*]] = tail call float @llvm.fma.f32(float [[A]], float [[B:%.*]], float [[C:%.*]]) #2
+; ALL-NEXT:    [[COND_I:%.*]] = select i1 [[CMP_I]], float 0x7FF8000000000000, float [[TMP0]]
+; ALL-NEXT:    store float [[COND_I]], float addrspace(1)* [[OUT:%.*]], align 4
+; ALL-NEXT:    ret void
+;
 entry:
   %cmp.i = fcmp olt float %a, 0.000000e+00
   br i1 %cmp.i, label %test_fma.exit, label %cond.else.i
@@ -79,9 +112,15 @@ test_fma.exit:                                   ; preds = %cond.else.i, %entry
   ret void
 }
 
-; ALL-LABEL: @fmuladd_test(
-; ALL: select
 define void @fmuladd_test(float addrspace(1)* noalias nocapture %out, float %a, float %b, float %c) nounwind {
+; ALL-LABEL: @fmuladd_test(
+; ALL-NEXT:  entry:
+; ALL-NEXT:    [[CMP_I:%.*]] = fcmp olt float [[A:%.*]], 0.000000e+00
+; ALL-NEXT:    [[TMP0:%.*]] = tail call float @llvm.fmuladd.f32(float [[A]], float [[B:%.*]], float [[C:%.*]]) #2
+; ALL-NEXT:    [[COND_I:%.*]] = select i1 [[CMP_I]], float 0x7FF8000000000000, float [[TMP0]]
+; ALL-NEXT:    store float [[COND_I]], float addrspace(1)* [[OUT:%.*]], align 4
+; ALL-NEXT:    ret void
+;
 entry:
   %cmp.i = fcmp olt float %a, 0.000000e+00
   br i1 %cmp.i, label %test_fmuladd.exit, label %cond.else.i
@@ -96,9 +135,15 @@ test_fmuladd.exit:                                   ; preds = %cond.else.i, %en
   ret void
 }
 
-; ALL-LABEL: @minnum_test(
-; ALL: select
 define void @minnum_test(float addrspace(1)* noalias nocapture %out, float %a, float %b) nounwind {
+; ALL-LABEL: @minnum_test(
+; ALL-NEXT:  entry:
+; ALL-NEXT:    [[CMP_I:%.*]] = fcmp olt float [[A:%.*]], 0.000000e+00
+; ALL-NEXT:    [[TMP0:%.*]] = tail call float @llvm.minnum.f32(float [[A]], float [[B:%.*]]) #2
+; ALL-NEXT:    [[COND_I:%.*]] = select i1 [[CMP_I]], float 0x7FF8000000000000, float [[TMP0]]
+; ALL-NEXT:    store float [[COND_I]], float addrspace(1)* [[OUT:%.*]], align 4
+; ALL-NEXT:    ret void
+;
 entry:
   %cmp.i = fcmp olt float %a, 0.000000e+00
   br i1 %cmp.i, label %test_minnum.exit, label %cond.else.i
@@ -113,9 +158,15 @@ test_minnum.exit:                                   ; preds = %cond.else.i, %ent
   ret void
 }
 
-; ALL-LABEL: @maxnum_test(
-; ALL: select
 define void @maxnum_test(float addrspace(1)* noalias nocapture %out, float %a, float %b) nounwind {
+; ALL-LABEL: @maxnum_test(
+; ALL-NEXT:  entry:
+; ALL-NEXT:    [[CMP_I:%.*]] = fcmp olt float [[A:%.*]], 0.000000e+00
+; ALL-NEXT:    [[TMP0:%.*]] = tail call float @llvm.maxnum.f32(float [[A]], float [[B:%.*]]) #2
+; ALL-NEXT:    [[COND_I:%.*]] = select i1 [[CMP_I]], float 0x7FF8000000000000, float [[TMP0]]
+; ALL-NEXT:    store float [[COND_I]], float addrspace(1)* [[OUT:%.*]], align 4
+; ALL-NEXT:    ret void
+;
 entry:
   %cmp.i = fcmp olt float %a, 0.000000e+00
   br i1 %cmp.i, label %test_maxnum.exit, label %cond.else.i
@@ -130,9 +181,15 @@ test_maxnum.exit:                                   ; preds = %cond.else.i, %ent
   ret void
 }
 
-; ALL-LABEL: @minimum_test(
-; ALL: select
 define void @minimum_test(float addrspace(1)* noalias nocapture %out, float %a, float %b) nounwind {
+; ALL-LABEL: @minimum_test(
+; ALL-NEXT:  entry:
+; ALL-NEXT:    [[CMP_I:%.*]] = fcmp olt float [[A:%.*]], 0.000000e+00
+; ALL-NEXT:    [[TMP0:%.*]] = tail call float @llvm.minimum.f32(float [[A]], float [[B:%.*]]) #2
+; ALL-NEXT:    [[COND_I:%.*]] = select i1 [[CMP_I]], float 0x7FF8000000000000, float [[TMP0]]
+; ALL-NEXT:    store float [[COND_I]], float addrspace(1)* [[OUT:%.*]], align 4
+; ALL-NEXT:    ret void
+;
 entry:
   %cmp.i = fcmp olt float %a, 0.000000e+00
   br i1 %cmp.i, label %test_minimum.exit, label %cond.else.i
@@ -147,9 +204,15 @@ test_minimum.exit:                                   ; preds = %cond.else.i, %en
   ret void
 }
 
-; ALL-LABEL: @maximum_test(
-; ALL: select
 define void @maximum_test(float addrspace(1)* noalias nocapture %out, float %a, float %b) nounwind {
+; ALL-LABEL: @maximum_test(
+; ALL-NEXT:  entry:
+; ALL-NEXT:    [[CMP_I:%.*]] = fcmp olt float [[A:%.*]], 0.000000e+00
+; ALL-NEXT:    [[TMP0:%.*]] = tail call float @llvm.maximum.f32(float [[A]], float [[B:%.*]]) #2
+; ALL-NEXT:    [[COND_I:%.*]] = select i1 [[CMP_I]], float 0x7FF8000000000000, float [[TMP0]]
+; ALL-NEXT:    store float [[COND_I]], float addrspace(1)* [[OUT:%.*]], align 4
+; ALL-NEXT:    ret void
+;
 entry:
   %cmp.i = fcmp olt float %a, 0.000000e+00
   br i1 %cmp.i, label %test_maximum.exit, label %cond.else.i