mirror of
https://github.com/c64scene-ar/llvm-6502.git
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b0ec6c21b7
This allows cases like float x; fmin(1.0, x); to be optimized to fminf(1.0f, x); rdar://19049359 Differential Revision: http://reviews.llvm.org/D6496 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223270 91177308-0d34-0410-b5e6-96231b3b80d8
272 lines
8.5 KiB
LLVM
272 lines
8.5 KiB
LLVM
; RUN: opt -S -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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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-LABEL: @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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define i32 @test15(float %x, float %y, float %z) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = fpext float %y to double
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%3 = call double @fmin(double %1, double %2) nounwind
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%4 = fpext float %z to double
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%5 = fcmp oeq double %3, %4
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%6 = zext i1 %5 to i32
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ret i32 %6
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; CHECK-LABEL: @test15(
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; CHECK-NEXT: %fminf = call float @fminf(float %x, float %y)
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; CHECK-NEXT: fcmp oeq float %fminf, %z
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}
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define i32 @test16(float %x, float %y, float %z) nounwind uwtable {
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%1 = fpext float %z to double
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%2 = fpext float %x to double
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%3 = fpext float %y to double
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%4 = call double @fmin(double %2, double %3) nounwind
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%5 = fcmp oeq double %1, %4
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%6 = zext i1 %5 to i32
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ret i32 %6
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; CHECK-LABEL: @test16(
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; CHECK-NEXT: %fminf = call float @fminf(float %x, float %y)
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; CHECK-NEXT: fcmp oeq float %fminf, %z
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}
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define i32 @test17(float %x, float %y, float %z) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = fpext float %y to double
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%3 = call double @fmax(double %1, double %2) nounwind
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%4 = fpext float %z to double
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%5 = fcmp oeq double %3, %4
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%6 = zext i1 %5 to i32
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ret i32 %6
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; CHECK-LABEL: @test17(
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; CHECK-NEXT: %fmaxf = call float @fmaxf(float %x, float %y)
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; CHECK-NEXT: fcmp oeq float %fmaxf, %z
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}
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define i32 @test18(float %x, float %y, float %z) nounwind uwtable {
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%1 = fpext float %z to double
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%2 = fpext float %x to double
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%3 = fpext float %y to double
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%4 = call double @fmax(double %2, double %3) nounwind
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%5 = fcmp oeq double %1, %4
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%6 = zext i1 %5 to i32
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ret i32 %6
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; CHECK-LABEL: @test18(
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; CHECK-NEXT: %fmaxf = call float @fmaxf(float %x, float %y)
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; CHECK-NEXT: fcmp oeq float %fmaxf, %z
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}
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define i32 @test19(float %x, float %y, float %z) nounwind uwtable {
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%1 = fpext float %x to double
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%2 = fpext float %y to double
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%3 = call double @copysign(double %1, double %2) nounwind
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%4 = fpext float %z to double
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%5 = fcmp oeq double %3, %4
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%6 = zext i1 %5 to i32
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ret i32 %6
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; CHECK-LABEL: @test19(
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; CHECK-NEXT: %copysignf = call float @copysignf(float %x, float %y)
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; CHECK-NEXT: fcmp oeq float %copysignf, %z
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}
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define i32 @test20(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 @fmin(double 1.000000e+00, 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-LABEL: @test20(
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; CHECK-NEXT: %fminf = call float @fminf(float 1.000000e+00, float %x)
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; CHECK-NEXT: fcmp oeq float %fminf, %y
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}
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define i32 @test21(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 @fmin(double 1.300000e+00, 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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; should not be changed to fminf as the constant would loose precision
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; CHECK-LABEL: @test21(
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; CHECK: %3 = call double @fmin(double 1.300000e+00, double %2)
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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 @copysign(double, 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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declare double @fmin(double, double) nounwind readnone
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declare double @fmax(double, double) nounwind readnone
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