test/Transforms/InstCombine/float-shrink-compare.ll - llvm-project/llvm - Git at Google

 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -S -passes=instcombine < %s | FileCheck %s
 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"
 target triple = "x86_64-apple-macosx10.8.0"

 define i1 @test1(float %x, float %y) {
 ; CHECK-LABEL: @test1(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.ceil.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %ceil = call double @ceil(double %x.ext) nounwind readnone
   %ext.y = fpext float %y to double
   %cmp = fcmp oeq double %ceil, %ext.y
   ret i1 %cmp
 }

 define i1 @test1_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test1_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.ceil.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %ceil = call double @llvm.ceil.f64(double %x.ext) nounwind readnone
   %ext.y = fpext float %y to double
   %cmp = fcmp oeq double %ceil, %ext.y
   ret i1 %cmp
 }

 define i1 @test2(float %x, float %y) {
 ; CHECK-LABEL: @test2(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.fabs.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %fabs = call double @fabs(double %x.ext) nounwind readnone
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %fabs, %y.ext
   ret i1 %cmp
 }

 define i1 @test2_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test2_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.fabs.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %fabs = call double @llvm.fabs.f64(double %x.ext) nounwind readnone
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %fabs, %y.ext
   ret i1 %cmp
 }

 define i1 @fmf_test2(float %x, float %y) {
 ; CHECK-LABEL: @fmf_test2(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call nnan float @llvm.fabs.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[TMP2:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[TMP2]]
 ;
   %1 = fpext float %x to double
   %2 = call nnan double @fabs(double %1) nounwind readnone
   %3 = fpext float %y to double
   %4 = fcmp oeq double %2, %3
   ret i1 %4
 }

 define i1 @test3(float %x, float %y) {
 ; CHECK-LABEL: @test3(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.floor.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %floor = call double @floor(double %x.ext) nounwind readnone
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %floor, %y.ext
   ret i1 %cmp
 }


 define i1 @test3_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test3_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.floor.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %floor = call double @llvm.floor.f64(double %x.ext) nounwind readnone
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %floor, %y.ext
   ret i1 %cmp
 }

 define i1 @test4(float %x, float %y) {
 ; CHECK-LABEL: @test4(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.nearbyint.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %nearbyint = call double @nearbyint(double %x.ext) nounwind
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %nearbyint, %y.ext
   ret i1 %cmp
 }

 define i1 @shrink_nearbyint_intrin(float %x, float %y) {
 ; CHECK-LABEL: @shrink_nearbyint_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.nearbyint.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %nearbyint = call double @llvm.nearbyint.f64(double %x.ext) nounwind
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %nearbyint, %y.ext
   ret i1 %cmp
 }

 define i1 @test5(float %x, float %y) {
 ; CHECK-LABEL: @test5(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.rint.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %rint = call double @rint(double %x.ext) nounwind
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %rint, %y.ext
   ret i1 %cmp
 }

 define i1 @test6(float %x, float %y) {
 ; CHECK-LABEL: @test6(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.round.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %round = call double @round(double %x.ext) nounwind readnone
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %round, %y.ext
   ret i1 %cmp
 }

 define i1 @test6_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test6_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.round.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %round = call double @llvm.round.f64(double %x.ext) nounwind readnone
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %round, %y.ext
   ret i1 %cmp
 }

 define i1 @test6a(float %x, float %y) {
 ; CHECK-LABEL: @test6a(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.roundeven.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %round = call double @roundeven(double %x.ext) nounwind readnone
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %round, %y.ext
   ret i1 %cmp
 }

 define i1 @test6a_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test6a_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.roundeven.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %round = call double @llvm.roundeven.f64(double %x.ext) nounwind readnone
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %round, %y.ext
   ret i1 %cmp
 }

 define i1 @test7(float %x, float %y) {
 ; CHECK-LABEL: @test7(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.trunc.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %trunc = call double @trunc(double %x.ext) nounwind
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %trunc, %y.ext
   ret i1 %cmp
 }

 define i1 @test7_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test7_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.trunc.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %trunc = call double @llvm.trunc.f64(double %x.ext) nounwind
   %y.ext = fpext float %y to double
   %cmp = fcmp oeq double %trunc, %y.ext
   ret i1 %cmp
 }

 define i1 @test8(float %x, float %y) {
 ; CHECK-LABEL: @test8(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.ceil.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %ceil = call double @ceil(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %y.ext, %ceil
   ret i1 %cmp
 }

 define i1 @test8_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test8_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.ceil.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %ceil = call double @llvm.ceil.f64(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %y.ext, %ceil
   ret i1 %cmp
 }

 define i1 @test9(float %x, float %y) {
 ; CHECK-LABEL: @test9(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.fabs.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %fabs = call double @fabs(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %y.ext, %fabs
   ret i1 %cmp
 }

 define i1 @test9_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test9_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.fabs.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %fabs = call double @llvm.fabs.f64(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %y.ext, %fabs
   ret i1 %cmp
 }

 define i1 @test10(float %x, float %y) {
 ; CHECK-LABEL: @test10(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.floor.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %floor = call double @floor(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %floor, %y.ext
   ret i1 %cmp
 }

 define i1 @test10_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test10_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.floor.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %floor = call double @llvm.floor.f64(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %floor, %y.ext
   ret i1 %cmp
 }

 define i1 @test11(float %x, float %y) {
 ; CHECK-LABEL: @test11(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.nearbyint.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %nearbyint = call double @nearbyint(double %x.ext) nounwind
   %cmp = fcmp oeq double %nearbyint, %y.ext
   ret i1 %cmp
 }

 define i1 @test11_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test11_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.nearbyint.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %nearbyint = call double @llvm.nearbyint.f64(double %x.ext) nounwind
   %cmp = fcmp oeq double %nearbyint, %y.ext
   ret i1 %cmp
 }

 define i1 @test12(float %x, float %y) {
 ; CHECK-LABEL: @test12(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.rint.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %rint = call double @rint(double %x.ext) nounwind
   %cmp = fcmp oeq double %y.ext, %rint
   ret i1 %cmp
 }

 define i1 @test13(float %x, float %y) {
 ; CHECK-LABEL: @test13(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.round.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %round = call double @round(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %y.ext, %round
   ret i1 %cmp
 }

 define i1 @test13_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test13_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.round.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %round = call double @llvm.round.f64(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %y.ext, %round
   ret i1 %cmp
 }

 define i1 @test13a(float %x, float %y) {
 ; CHECK-LABEL: @test13a(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.roundeven.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %round = call double @roundeven(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %y.ext, %round
   ret i1 %cmp
 }

 define i1 @test13a_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test13a_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.roundeven.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %round = call double @llvm.roundeven.f64(double %x.ext) nounwind readnone
   %cmp = fcmp oeq double %y.ext, %round
   ret i1 %cmp
 }

 define i1 @test14(float %x, float %y) {
 ; CHECK-LABEL: @test14(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.trunc.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %trunc = call double @trunc(double %x.ext) nounwind
   %cmp = fcmp oeq double %y.ext, %trunc
   ret i1 %cmp
 }

 define i1 @test14_intrin(float %x, float %y) {
 ; CHECK-LABEL: @test14_intrin(
 ; CHECK-NEXT:    [[TMP1:%.*]] = call float @llvm.trunc.f32(float [[X:%.*]])
 ; CHECK-NEXT:    [[CMP:%.*]] = fcmp oeq float [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[CMP]]
 ;
   %x.ext = fpext float %x to double
   %y.ext = fpext float %y to double
   %trunc = call double @llvm.trunc.f64(double %x.ext) nounwind
   %cmp = fcmp oeq double %y.ext, %trunc
   ret i1 %cmp
 }

 define i1 @test15(float %x, float %y, float %z) {
 ; CHECK-LABEL: @test15(
 ; CHECK-NEXT:    [[FMINF:%.*]] = call nsz float @llvm.minnum.f32(float [[X:%.*]], float [[Y:%.*]])
 ; CHECK-NEXT:    [[TMP1:%.*]] = fcmp oeq float [[FMINF]], [[Z:%.*]]
 ; CHECK-NEXT:    ret i1 [[TMP1]]
 ;
   %1 = fpext float %x to double
   %2 = fpext float %y to double
   %3 = call double @fmin(double %1, double %2) nounwind
   %4 = fpext float %z to double
   %5 = fcmp oeq double %3, %4
   ret i1 %5
 }

 define i1 @test16(float %x, float %y, float %z) {
 ; CHECK-LABEL: @test16(
 ; CHECK-NEXT:    [[FMINF:%.*]] = call nsz float @llvm.minnum.f32(float [[X:%.*]], float [[Y:%.*]])
 ; CHECK-NEXT:    [[TMP1:%.*]] = fcmp oeq float [[FMINF]], [[Z:%.*]]
 ; CHECK-NEXT:    ret i1 [[TMP1]]
 ;
   %1 = fpext float %z to double
   %2 = fpext float %x to double
   %3 = fpext float %y to double
   %4 = call double @fmin(double %2, double %3) nounwind
   %5 = fcmp oeq double %1, %4
   ret i1 %5
 }

 define i1 @test17(float %x, float %y, float %z) {
 ; CHECK-LABEL: @test17(
 ; CHECK-NEXT:    [[FMAXF:%.*]] = call nsz float @llvm.maxnum.f32(float [[X:%.*]], float [[Y:%.*]])
 ; CHECK-NEXT:    [[TMP1:%.*]] = fcmp oeq float [[FMAXF]], [[Z:%.*]]
 ; CHECK-NEXT:    ret i1 [[TMP1]]
 ;
   %1 = fpext float %x to double
   %2 = fpext float %y to double
   %3 = call double @fmax(double %1, double %2) nounwind
   %4 = fpext float %z to double
   %5 = fcmp oeq double %3, %4
   ret i1 %5
 }

 define i1 @test18(float %x, float %y, float %z) {
 ; CHECK-LABEL: @test18(
 ; CHECK-NEXT:    [[FMAXF:%.*]] = call nsz float @llvm.maxnum.f32(float [[X:%.*]], float [[Y:%.*]])
 ; CHECK-NEXT:    [[TMP1:%.*]] = fcmp oeq float [[FMAXF]], [[Z:%.*]]
 ; CHECK-NEXT:    ret i1 [[TMP1]]
 ;
   %1 = fpext float %z to double
   %2 = fpext float %x to double
   %3 = fpext float %y to double
   %4 = call double @fmax(double %2, double %3) nounwind
   %5 = fcmp oeq double %1, %4
   ret i1 %5
 }

 define i1 @test19(float %x, float %y, float %z) {
 ; CHECK-LABEL: @test19(
 ; CHECK-NEXT:    [[COPYSIGNF:%.*]] = call float @copysignf(float [[X:%.*]], float [[Y:%.*]]) #[[ATTR0:[0-9]+]]
 ; CHECK-NEXT:    [[TMP1:%.*]] = fcmp oeq float [[COPYSIGNF]], [[Z:%.*]]
 ; CHECK-NEXT:    ret i1 [[TMP1]]
 ;
   %1 = fpext float %x to double
   %2 = fpext float %y to double
   %3 = call double @copysign(double %1, double %2) nounwind
   %4 = fpext float %z to double
   %5 = fcmp oeq double %3, %4
   ret i1 %5
 }

 define i1 @test20(float %x, float %y) {
 ; CHECK-LABEL: @test20(
 ; CHECK-NEXT:    [[FMINF:%.*]] = call nsz float @llvm.minnum.f32(float [[X:%.*]], float 1.000000e+00)
 ; CHECK-NEXT:    [[TMP1:%.*]] = fcmp oeq float [[FMINF]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i1 [[TMP1]]
 ;
   %1 = fpext float %y to double
   %2 = fpext float %x to double
   %3 = call double @fmin(double 1.000000e+00, double %2) nounwind
   %4 = fcmp oeq double %1, %3
   ret i1 %4
 }

 ; should not be changed to fminf as the constant would lose precision

 define i1 @test21(float %x, float %y) {
 ; CHECK-LABEL: @test21(
 ; CHECK-NEXT:    [[TMP1:%.*]] = fpext float [[Y:%.*]] to double
 ; CHECK-NEXT:    [[TMP2:%.*]] = fpext float [[X:%.*]] to double
 ; CHECK-NEXT:    [[TMP3:%.*]] = call nsz double @llvm.minnum.f64(double [[TMP2]], double 1.300000e+00)
 ; CHECK-NEXT:    [[TMP4:%.*]] = fcmp oeq double [[TMP3]], [[TMP1]]
 ; CHECK-NEXT:    ret i1 [[TMP4]]
 ;
   %1 = fpext float %y to double
   %2 = fpext float %x to double
   %3 = call double @fmin(double 1.300000e+00, double %2) nounwind
   %4 = fcmp oeq double %1, %3
   ret i1 %4
 }

 declare double @fabs(double) nounwind readnone
 declare double @ceil(double) nounwind readnone
 declare double @copysign(double, double) nounwind readnone
 declare double @floor(double) nounwind readnone
 declare double @nearbyint(double) nounwind readnone
 declare double @rint(double) nounwind readnone
 declare double @round(double) nounwind readnone
 declare double @roundeven(double) nounwind readnone
 declare double @trunc(double) nounwind readnone
 declare double @fmin(double, double) nounwind readnone
 declare double @fmax(double, double) nounwind readnone

 declare double @llvm.fabs.f64(double) nounwind readnone
 declare double @llvm.ceil.f64(double) nounwind readnone
 declare double @llvm.floor.f64(double) nounwind readnone
 declare double @llvm.nearbyint.f64(double) nounwind readnone
 declare double @llvm.round.f64(double) nounwind readnone
 declare double @llvm.roundeven.f64(double) nounwind readnone
 declare double @llvm.trunc.f64(double) nounwind readnone
	; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
	; RUN: opt -S -passes=instcombine < %s \| FileCheck %s
	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"
	target triple = "x86_64-apple-macosx10.8.0"

	define i1 @test1(float %x, float %y) {
	; CHECK-LABEL: @test1(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.ceil.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%ceil = call double @ceil(double %x.ext) nounwind readnone
	%ext.y = fpext float %y to double
	%cmp = fcmp oeq double %ceil, %ext.y
	ret i1 %cmp
	}

	define i1 @test1_intrin(float %x, float %y) {
	; CHECK-LABEL: @test1_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.ceil.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%ceil = call double @llvm.ceil.f64(double %x.ext) nounwind readnone
	%ext.y = fpext float %y to double
	%cmp = fcmp oeq double %ceil, %ext.y
	ret i1 %cmp
	}

	define i1 @test2(float %x, float %y) {
	; CHECK-LABEL: @test2(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.fabs.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%fabs = call double @fabs(double %x.ext) nounwind readnone
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %fabs, %y.ext
	ret i1 %cmp
	}

	define i1 @test2_intrin(float %x, float %y) {
	; CHECK-LABEL: @test2_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.fabs.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%fabs = call double @llvm.fabs.f64(double %x.ext) nounwind readnone
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %fabs, %y.ext
	ret i1 %cmp
	}

	define i1 @fmf_test2(float %x, float %y) {
	; CHECK-LABEL: @fmf_test2(
	; CHECK-NEXT: [[TMP1:%.]] = call nnan float @llvm.fabs.f32(float [[X:%.]])
	; CHECK-NEXT: [[TMP2:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[TMP2]]
	;
	%1 = fpext float %x to double
	%2 = call nnan double @fabs(double %1) nounwind readnone
	%3 = fpext float %y to double
	%4 = fcmp oeq double %2, %3
	ret i1 %4
	}

	define i1 @test3(float %x, float %y) {
	; CHECK-LABEL: @test3(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.floor.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%floor = call double @floor(double %x.ext) nounwind readnone
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %floor, %y.ext
	ret i1 %cmp
	}


	define i1 @test3_intrin(float %x, float %y) {
	; CHECK-LABEL: @test3_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.floor.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%floor = call double @llvm.floor.f64(double %x.ext) nounwind readnone
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %floor, %y.ext
	ret i1 %cmp
	}

	define i1 @test4(float %x, float %y) {
	; CHECK-LABEL: @test4(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.nearbyint.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%nearbyint = call double @nearbyint(double %x.ext) nounwind
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %nearbyint, %y.ext
	ret i1 %cmp
	}

	define i1 @shrink_nearbyint_intrin(float %x, float %y) {
	; CHECK-LABEL: @shrink_nearbyint_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.nearbyint.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%nearbyint = call double @llvm.nearbyint.f64(double %x.ext) nounwind
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %nearbyint, %y.ext
	ret i1 %cmp
	}

	define i1 @test5(float %x, float %y) {
	; CHECK-LABEL: @test5(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.rint.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%rint = call double @rint(double %x.ext) nounwind
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %rint, %y.ext
	ret i1 %cmp
	}

	define i1 @test6(float %x, float %y) {
	; CHECK-LABEL: @test6(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.round.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%round = call double @round(double %x.ext) nounwind readnone
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %round, %y.ext
	ret i1 %cmp
	}

	define i1 @test6_intrin(float %x, float %y) {
	; CHECK-LABEL: @test6_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.round.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%round = call double @llvm.round.f64(double %x.ext) nounwind readnone
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %round, %y.ext
	ret i1 %cmp
	}

	define i1 @test6a(float %x, float %y) {
	; CHECK-LABEL: @test6a(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.roundeven.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%round = call double @roundeven(double %x.ext) nounwind readnone
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %round, %y.ext
	ret i1 %cmp
	}

	define i1 @test6a_intrin(float %x, float %y) {
	; CHECK-LABEL: @test6a_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.roundeven.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%round = call double @llvm.roundeven.f64(double %x.ext) nounwind readnone
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %round, %y.ext
	ret i1 %cmp
	}

	define i1 @test7(float %x, float %y) {
	; CHECK-LABEL: @test7(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.trunc.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%trunc = call double @trunc(double %x.ext) nounwind
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %trunc, %y.ext
	ret i1 %cmp
	}

	define i1 @test7_intrin(float %x, float %y) {
	; CHECK-LABEL: @test7_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.trunc.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%trunc = call double @llvm.trunc.f64(double %x.ext) nounwind
	%y.ext = fpext float %y to double
	%cmp = fcmp oeq double %trunc, %y.ext
	ret i1 %cmp
	}

	define i1 @test8(float %x, float %y) {
	; CHECK-LABEL: @test8(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.ceil.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%ceil = call double @ceil(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %y.ext, %ceil
	ret i1 %cmp
	}

	define i1 @test8_intrin(float %x, float %y) {
	; CHECK-LABEL: @test8_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.ceil.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%ceil = call double @llvm.ceil.f64(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %y.ext, %ceil
	ret i1 %cmp
	}

	define i1 @test9(float %x, float %y) {
	; CHECK-LABEL: @test9(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.fabs.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%fabs = call double @fabs(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %y.ext, %fabs
	ret i1 %cmp
	}

	define i1 @test9_intrin(float %x, float %y) {
	; CHECK-LABEL: @test9_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.fabs.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%fabs = call double @llvm.fabs.f64(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %y.ext, %fabs
	ret i1 %cmp
	}

	define i1 @test10(float %x, float %y) {
	; CHECK-LABEL: @test10(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.floor.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%floor = call double @floor(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %floor, %y.ext
	ret i1 %cmp
	}

	define i1 @test10_intrin(float %x, float %y) {
	; CHECK-LABEL: @test10_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.floor.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%floor = call double @llvm.floor.f64(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %floor, %y.ext
	ret i1 %cmp
	}

	define i1 @test11(float %x, float %y) {
	; CHECK-LABEL: @test11(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.nearbyint.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%nearbyint = call double @nearbyint(double %x.ext) nounwind
	%cmp = fcmp oeq double %nearbyint, %y.ext
	ret i1 %cmp
	}

	define i1 @test11_intrin(float %x, float %y) {
	; CHECK-LABEL: @test11_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.nearbyint.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%nearbyint = call double @llvm.nearbyint.f64(double %x.ext) nounwind
	%cmp = fcmp oeq double %nearbyint, %y.ext
	ret i1 %cmp
	}

	define i1 @test12(float %x, float %y) {
	; CHECK-LABEL: @test12(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.rint.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%rint = call double @rint(double %x.ext) nounwind
	%cmp = fcmp oeq double %y.ext, %rint
	ret i1 %cmp
	}

	define i1 @test13(float %x, float %y) {
	; CHECK-LABEL: @test13(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.round.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%round = call double @round(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %y.ext, %round
	ret i1 %cmp
	}

	define i1 @test13_intrin(float %x, float %y) {
	; CHECK-LABEL: @test13_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.round.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%round = call double @llvm.round.f64(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %y.ext, %round
	ret i1 %cmp
	}

	define i1 @test13a(float %x, float %y) {
	; CHECK-LABEL: @test13a(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.roundeven.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%round = call double @roundeven(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %y.ext, %round
	ret i1 %cmp
	}

	define i1 @test13a_intrin(float %x, float %y) {
	; CHECK-LABEL: @test13a_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.roundeven.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%round = call double @llvm.roundeven.f64(double %x.ext) nounwind readnone
	%cmp = fcmp oeq double %y.ext, %round
	ret i1 %cmp
	}

	define i1 @test14(float %x, float %y) {
	; CHECK-LABEL: @test14(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.trunc.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%trunc = call double @trunc(double %x.ext) nounwind
	%cmp = fcmp oeq double %y.ext, %trunc
	ret i1 %cmp
	}

	define i1 @test14_intrin(float %x, float %y) {
	; CHECK-LABEL: @test14_intrin(
	; CHECK-NEXT: [[TMP1:%.]] = call float @llvm.trunc.f32(float [[X:%.]])
	; CHECK-NEXT: [[CMP:%.]] = fcmp oeq float [[TMP1]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[CMP]]
	;
	%x.ext = fpext float %x to double
	%y.ext = fpext float %y to double
	%trunc = call double @llvm.trunc.f64(double %x.ext) nounwind
	%cmp = fcmp oeq double %y.ext, %trunc
	ret i1 %cmp
	}

	define i1 @test15(float %x, float %y, float %z) {
	; CHECK-LABEL: @test15(
	; CHECK-NEXT: [[FMINF:%.]] = call nsz float @llvm.minnum.f32(float [[X:%.]], float [[Y:%.*]])
	; CHECK-NEXT: [[TMP1:%.]] = fcmp oeq float [[FMINF]], [[Z:%.]]
	; CHECK-NEXT: ret i1 [[TMP1]]
	;
	%1 = fpext float %x to double
	%2 = fpext float %y to double
	%3 = call double @fmin(double %1, double %2) nounwind
	%4 = fpext float %z to double
	%5 = fcmp oeq double %3, %4
	ret i1 %5
	}

	define i1 @test16(float %x, float %y, float %z) {
	; CHECK-LABEL: @test16(
	; CHECK-NEXT: [[FMINF:%.]] = call nsz float @llvm.minnum.f32(float [[X:%.]], float [[Y:%.*]])
	; CHECK-NEXT: [[TMP1:%.]] = fcmp oeq float [[FMINF]], [[Z:%.]]
	; CHECK-NEXT: ret i1 [[TMP1]]
	;
	%1 = fpext float %z to double
	%2 = fpext float %x to double
	%3 = fpext float %y to double
	%4 = call double @fmin(double %2, double %3) nounwind
	%5 = fcmp oeq double %1, %4
	ret i1 %5
	}

	define i1 @test17(float %x, float %y, float %z) {
	; CHECK-LABEL: @test17(
	; CHECK-NEXT: [[FMAXF:%.]] = call nsz float @llvm.maxnum.f32(float [[X:%.]], float [[Y:%.*]])
	; CHECK-NEXT: [[TMP1:%.]] = fcmp oeq float [[FMAXF]], [[Z:%.]]
	; CHECK-NEXT: ret i1 [[TMP1]]
	;
	%1 = fpext float %x to double
	%2 = fpext float %y to double
	%3 = call double @fmax(double %1, double %2) nounwind
	%4 = fpext float %z to double
	%5 = fcmp oeq double %3, %4
	ret i1 %5
	}

	define i1 @test18(float %x, float %y, float %z) {
	; CHECK-LABEL: @test18(
	; CHECK-NEXT: [[FMAXF:%.]] = call nsz float @llvm.maxnum.f32(float [[X:%.]], float [[Y:%.*]])
	; CHECK-NEXT: [[TMP1:%.]] = fcmp oeq float [[FMAXF]], [[Z:%.]]
	; CHECK-NEXT: ret i1 [[TMP1]]
	;
	%1 = fpext float %z to double
	%2 = fpext float %x to double
	%3 = fpext float %y to double
	%4 = call double @fmax(double %2, double %3) nounwind
	%5 = fcmp oeq double %1, %4
	ret i1 %5
	}

	define i1 @test19(float %x, float %y, float %z) {
	; CHECK-LABEL: @test19(
	; CHECK-NEXT: [[COPYSIGNF:%.]] = call float @copysignf(float [[X:%.]], float [[Y:%.*]]) #[[ATTR0:[0-9]+]]
	; CHECK-NEXT: [[TMP1:%.]] = fcmp oeq float [[COPYSIGNF]], [[Z:%.]]
	; CHECK-NEXT: ret i1 [[TMP1]]
	;
	%1 = fpext float %x to double
	%2 = fpext float %y to double
	%3 = call double @copysign(double %1, double %2) nounwind
	%4 = fpext float %z to double
	%5 = fcmp oeq double %3, %4
	ret i1 %5
	}

	define i1 @test20(float %x, float %y) {
	; CHECK-LABEL: @test20(
	; CHECK-NEXT: [[FMINF:%.]] = call nsz float @llvm.minnum.f32(float [[X:%.]], float 1.000000e+00)
	; CHECK-NEXT: [[TMP1:%.]] = fcmp oeq float [[FMINF]], [[Y:%.]]
	; CHECK-NEXT: ret i1 [[TMP1]]
	;
	%1 = fpext float %y to double
	%2 = fpext float %x to double
	%3 = call double @fmin(double 1.000000e+00, double %2) nounwind
	%4 = fcmp oeq double %1, %3
	ret i1 %4
	}

	; should not be changed to fminf as the constant would lose precision

	define i1 @test21(float %x, float %y) {
	; CHECK-LABEL: @test21(
	; CHECK-NEXT: [[TMP1:%.]] = fpext float [[Y:%.]] to double
	; CHECK-NEXT: [[TMP2:%.]] = fpext float [[X:%.]] to double
	; CHECK-NEXT: [[TMP3:%.*]] = call nsz double @llvm.minnum.f64(double [[TMP2]], double 1.300000e+00)
	; CHECK-NEXT: [[TMP4:%.*]] = fcmp oeq double [[TMP3]], [[TMP1]]
	; CHECK-NEXT: ret i1 [[TMP4]]
	;
	%1 = fpext float %y to double
	%2 = fpext float %x to double
	%3 = call double @fmin(double 1.300000e+00, double %2) nounwind
	%4 = fcmp oeq double %1, %3
	ret i1 %4
	}

	declare double @fabs(double) nounwind readnone
	declare double @ceil(double) nounwind readnone
	declare double @copysign(double, double) nounwind readnone
	declare double @floor(double) nounwind readnone
	declare double @nearbyint(double) nounwind readnone
	declare double @rint(double) nounwind readnone
	declare double @round(double) nounwind readnone
	declare double @roundeven(double) nounwind readnone
	declare double @trunc(double) nounwind readnone
	declare double @fmin(double, double) nounwind readnone
	declare double @fmax(double, double) nounwind readnone

	declare double @llvm.fabs.f64(double) nounwind readnone
	declare double @llvm.ceil.f64(double) nounwind readnone
	declare double @llvm.floor.f64(double) nounwind readnone
	declare double @llvm.nearbyint.f64(double) nounwind readnone
	declare double @llvm.round.f64(double) nounwind readnone
	declare double @llvm.roundeven.f64(double) nounwind readnone
	declare double @llvm.trunc.f64(double) nounwind readnone