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SimplifyLibCalls: Give all safely-shrinkable libcalls the same treatment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162383 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
parent
674101e6bb
commit
7f07d2fbcf
@ -1690,11 +1690,11 @@ void SimplifyLibCalls::InitOptimizations() {
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AddOpt(LibFunc::ceil, LibFunc::ceilf, &UnaryDoubleFP);
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AddOpt(LibFunc::fabs, LibFunc::fabsf, &UnaryDoubleFP);
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AddOpt(LibFunc::floor, LibFunc::floorf, &UnsafeUnaryDoubleFP);
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AddOpt(LibFunc::rint, LibFunc::rintf, &UnsafeUnaryDoubleFP);
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AddOpt(LibFunc::round, LibFunc::roundf, &UnsafeUnaryDoubleFP);
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AddOpt(LibFunc::nearbyint, LibFunc::nearbyintf, &UnsafeUnaryDoubleFP);
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AddOpt(LibFunc::trunc, LibFunc::truncf, &UnsafeUnaryDoubleFP);
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AddOpt(LibFunc::floor, LibFunc::floorf, &UnaryDoubleFP);
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AddOpt(LibFunc::rint, LibFunc::rintf, &UnaryDoubleFP);
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AddOpt(LibFunc::round, LibFunc::roundf, &UnaryDoubleFP);
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AddOpt(LibFunc::nearbyint, LibFunc::nearbyintf, &UnaryDoubleFP);
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AddOpt(LibFunc::trunc, LibFunc::truncf, &UnaryDoubleFP);
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if(UnsafeFPShrink) {
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AddOpt(LibFunc::acos, LibFunc::acosf, &UnsafeUnaryDoubleFP);
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179
test/Transforms/SimplifyLibCalls/float-shrink-compare.ll
Normal file
179
test/Transforms/SimplifyLibCalls/float-shrink-compare.ll
Normal file
@ -0,0 +1,179 @@
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; RUN: opt -S -simplify-libcalls -instcombine %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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define i32 @test1(float %x, float %y) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = call double @ceil(double %1) nounwind readnone
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%3 = fpext float %y to double
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%4 = fcmp oeq double %2, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test1
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; CHECK-NEXT: %ceilf = call float @ceilf(float %x)
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; CHECK-NEXT: fcmp oeq float %ceilf, %y
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}
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define i32 @test2(float %x, float %y) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = call double @fabs(double %1) nounwind readnone
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%3 = fpext float %y to double
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%4 = fcmp oeq double %2, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test2
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; CHECK-NEXT: %fabsf = call float @fabsf(float %x)
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; CHECK-NEXT: fcmp oeq float %fabsf, %y
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}
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define i32 @test3(float %x, float %y) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = call double @floor(double %1) nounwind readnone
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%3 = fpext float %y to double
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%4 = fcmp oeq double %2, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test3
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; CHECK-NEXT: %floorf = call float @floorf(float %x)
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; CHECK-NEXT: fcmp oeq float %floorf, %y
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}
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define i32 @test4(float %x, float %y) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = call double @nearbyint(double %1) nounwind
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%3 = fpext float %y to double
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%4 = fcmp oeq double %2, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test4
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; CHECK-NEXT: %nearbyintf = call float @nearbyintf(float %x)
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; CHECK-NEXT: fcmp oeq float %nearbyintf, %y
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}
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define i32 @test5(float %x, float %y) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = call double @rint(double %1) nounwind
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%3 = fpext float %y to double
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%4 = fcmp oeq double %2, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test5
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; CHECK-NEXT: %rintf = call float @rintf(float %x)
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; CHECK-NEXT: fcmp oeq float %rintf, %y
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}
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define i32 @test6(float %x, float %y) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = call double @round(double %1) nounwind readnone
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%3 = fpext float %y to double
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%4 = fcmp oeq double %2, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test6
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; CHECK-NEXT: %roundf = call float @roundf(float %x)
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; CHECK-NEXT: fcmp oeq float %roundf, %y
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}
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define i32 @test7(float %x, float %y) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = call double @trunc(double %1) nounwind
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%3 = fpext float %y to double
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%4 = fcmp oeq double %2, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test7
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; CHECK-NEXT: %truncf = call float @truncf(float %x)
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; CHECK-NEXT: fcmp oeq float %truncf, %y
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}
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define i32 @test8(float %x, float %y) nounwind uwtable {
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%1 = fpext float %y to double
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%2 = fpext float %x to double
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%3 = call double @ceil(double %2) nounwind readnone
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%4 = fcmp oeq double %1, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test8
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; CHECK-NEXT: %ceilf = call float @ceilf(float %x)
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; CHECK-NEXT: fcmp oeq float %ceilf, %y
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}
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define i32 @test9(float %x, float %y) nounwind uwtable {
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%1 = fpext float %y to double
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%2 = fpext float %x to double
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%3 = call double @fabs(double %2) nounwind readnone
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%4 = fcmp oeq double %1, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test9
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; CHECK-NEXT: %fabsf = call float @fabsf(float %x)
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; CHECK-NEXT: fcmp oeq float %fabsf, %y
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}
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define i32 @test10(float %x, float %y) nounwind uwtable {
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%1 = fpext float %y to double
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%2 = fpext float %x to double
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%3 = call double @floor(double %2) nounwind readnone
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%4 = fcmp oeq double %1, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test10
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; CHECK-NEXT: %floorf = call float @floorf(float %x)
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; CHECK-NEXT: fcmp oeq float %floorf, %y
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}
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define i32 @test11(float %x, float %y) nounwind uwtable {
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%1 = fpext float %y to double
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%2 = fpext float %x to double
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%3 = call double @nearbyint(double %2) nounwind
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%4 = fcmp oeq double %1, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test11
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; CHECK-NEXT: %nearbyintf = call float @nearbyintf(float %x)
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; CHECK-NEXT: fcmp oeq float %nearbyintf, %y
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}
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define i32 @test12(float %x, float %y) nounwind uwtable {
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%1 = fpext float %y to double
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%2 = fpext float %x to double
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%3 = call double @rint(double %2) nounwind
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%4 = fcmp oeq double %1, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test12
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; CHECK-NEXT: %rintf = call float @rintf(float %x)
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; CHECK-NEXT: fcmp oeq float %rintf, %y
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}
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define i32 @test13(float %x, float %y) nounwind uwtable {
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%1 = fpext float %y to double
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%2 = fpext float %x to double
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%3 = call double @round(double %2) nounwind readnone
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%4 = fcmp oeq double %1, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test13
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; CHECK-NEXT: %roundf = call float @roundf(float %x)
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; CHECK-NEXT: fcmp oeq float %roundf, %y
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}
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define i32 @test14(float %x, float %y) nounwind uwtable {
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%1 = fpext float %y to double
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%2 = fpext float %x to double
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%3 = call double @trunc(double %2) nounwind
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%4 = fcmp oeq double %1, %3
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%5 = zext i1 %4 to i32
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ret i32 %5
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; CHECK: @test14
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; CHECK-NEXT: %truncf = call float @truncf(float %x)
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; CHECK-NEXT: fcmp oeq float %truncf, %y
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}
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declare double @fabs(double) nounwind readnone
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declare double @ceil(double) nounwind readnone
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declare double @floor(double) nounwind readnone
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declare double @nearbyint(double) nounwind readnone
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declare double @rint(double) nounwind readnone
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declare double @round(double) nounwind readnone
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declare double @trunc(double) nounwind readnone
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