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[SimplifyCFG][NFC] Autogenerate two tests 

llvm-svn: 371310
This commit is contained in:
Roman Lebedev 2019-09-07 13:35:54 +00:00
parent d065c81164
commit 88bab08a88
2 changed files with 89 additions and 26 deletions
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8
llvm/test/Transforms/SimplifyCFG/SpeculativeExec.ll
View File

@ -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:%.*]]
;

107
llvm/test/Transforms/SimplifyCFG/speculate-math.ll
View File

@ -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