; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; Test that the pow library call simplifier works correctly.
;
; RUN: opt -passes=instcombine -S < %s                                   | FileCheck %s --check-prefixes=CHECK,LIB,ANY
; RUN: opt -passes=instcombine -S < %s -mtriple=x86_64-apple-macosx10.9  | FileCheck %s --check-prefixes=CHECK,LIB,ANY,CHECK-EXP10
; RUN: opt -passes=instcombine -S < %s -mtriple=arm-apple-ios7.0         | FileCheck %s --check-prefixes=CHECK,LIB,ANY,CHECK-EXP10
; RUN: opt -passes=instcombine -S < %s -mtriple=x86_64-apple-macosx10.8  | FileCheck %s --check-prefixes=CHECK,LIB,ANY,CHECK-NO-EXP10
; RUN: opt -passes=instcombine -S < %s -mtriple=arm-apple-ios6.0         | FileCheck %s --check-prefixes=CHECK,LIB,ANY,CHECK-NO-EXP10
; RUN: opt -passes=instcombine -S < %s -mtriple=x86_64-netbsd            | FileCheck %s --check-prefixes=CHECK,LIB,ANY,CHECK-NO-EXP10
; RUN: opt -passes=instcombine -S < %s -mtriple=arm-apple-tvos9.0        | FileCheck %s --check-prefixes=CHECK,LIB,ANY,CHECK-EXP10
; RUN: opt -passes=instcombine -S < %s -mtriple=arm-apple-watchos2.0     | FileCheck %s --check-prefixes=CHECK,LIB,ANY,CHECK-EXP10
; rdar://7251832
; RUN: opt -passes=instcombine -S < %s -mtriple=i386-pc-windows-msvc18   | FileCheck %s --check-prefixes=CHECK,LIB,CHECK-NO-EXP10,VC32
; RUN: opt -passes=instcombine -S < %s -mtriple=i386-pc-windows-msvc     | FileCheck %s --check-prefixes=CHECK,LIB,CHECK-NO-EXP10,VC19,VC51
; RUN: opt -passes=instcombine -S < %s -mtriple=x86_64-pc-windows-msvc18 | FileCheck %s --check-prefixes=CHECK,LIB,CHECK-NO-EXP10,VC64
; RUN: opt -passes=instcombine -S < %s -mtriple=x86_64-pc-windows-msvc   | FileCheck %s --check-prefixes=CHECK,LIB,CHECK-NO-EXP10,VC19,VC83
; RUN: opt -passes=instcombine -S < %s -mtriple=amdgcn--                 | FileCheck %s --check-prefixes=CHECK,CHECK-NO-EXP10,NOLIB

; NOTE: The readonly attribute on the pow call should be preserved
; in the cases below where pow is transformed into another function call.

declare float @powf(float, float) nounwind readonly
declare float @llvm.pow.f32(float, float)
declare float @llvm.fabs.f32(float)
declare double @pow(double, double) nounwind readonly
declare double @llvm.pow.f64(double, double)
declare <2 x float> @llvm.pow.v2f32(<2 x float>, <2 x float>) nounwind readonly
declare <2 x double> @llvm.pow.v2f64(<2 x double>, <2 x double>) nounwind readonly
declare void @llvm.assume(i1 noundef)

; Check pow(1.0, x) -> 1.0.

define float @test_simplify1(float %x) {
; ANY-LABEL: define float @test_simplify1(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    ret float 1.000000e+00
;
; VC32-LABEL: define float @test_simplify1(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call float @powf(float 1.000000e+00, float [[X]])
; VC32-NEXT:    ret float [[RETVAL]]
;
; VC51-LABEL: define float @test_simplify1(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[RETVAL:%.*]] = call float @powf(float 1.000000e+00, float [[X]])
; VC51-NEXT:    ret float [[RETVAL]]
;
; VC64-LABEL: define float @test_simplify1(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    ret float 1.000000e+00
;
; VC83-LABEL: define float @test_simplify1(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    ret float 1.000000e+00
;
; NOLIB-LABEL: define float @test_simplify1(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call float @powf(float 1.000000e+00, float [[X]])
; NOLIB-NEXT:    ret float [[RETVAL]]
;
  %retval = call float @powf(float 1.0, float %x)
  ret float %retval
}

define <2 x float> @test_simplify1v(<2 x float> %x) {
; CHECK-LABEL: define <2 x float> @test_simplify1v(
; CHECK-SAME: <2 x float> [[X:%.*]]) {
; CHECK-NEXT:    ret <2 x float> <float 1.000000e+00, float 1.000000e+00>
;
  %retval = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 1.0, float 1.0>, <2 x float> %x)
  ret <2 x float> %retval
}

define double @test_simplify2(double %x) {
; LIB-LABEL: define double @test_simplify2(
; LIB-SAME: double [[X:%.*]]) {
; LIB-NEXT:    ret double 1.000000e+00
;
; NOLIB-LABEL: define double @test_simplify2(
; NOLIB-SAME: double [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call double @pow(double 1.000000e+00, double [[X]])
; NOLIB-NEXT:    ret double [[RETVAL]]
;
  %retval = call double @pow(double 1.0, double %x)
  ret double %retval
}

define <2 x double> @test_simplify2v(<2 x double> %x) {
; CHECK-LABEL: define <2 x double> @test_simplify2v(
; CHECK-SAME: <2 x double> [[X:%.*]]) {
; CHECK-NEXT:    ret <2 x double> <double 1.000000e+00, double 1.000000e+00>
;
  %retval = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 1.0, double 1.0>, <2 x double> %x)
  ret <2 x double> %retval
}

; Check pow(2.0 ** n, x) -> exp2(n * x).

define float @test_simplify3(float %x) {
; ANY-LABEL: define float @test_simplify3(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    [[EXP2F:%.*]] = call float @exp2f(float [[X]])
; ANY-NEXT:    ret float [[EXP2F]]
;
; VC32-LABEL: define float @test_simplify3(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call float @powf(float 2.000000e+00, float [[X]])
; VC32-NEXT:    ret float [[RETVAL]]
;
; VC51-LABEL: define float @test_simplify3(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[RETVAL:%.*]] = call float @powf(float 2.000000e+00, float [[X]])
; VC51-NEXT:    ret float [[RETVAL]]
;
; VC64-LABEL: define float @test_simplify3(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    [[RETVAL:%.*]] = call float @powf(float 2.000000e+00, float [[X]])
; VC64-NEXT:    ret float [[RETVAL]]
;
; VC83-LABEL: define float @test_simplify3(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    [[EXP2F:%.*]] = call float @exp2f(float [[X]])
; VC83-NEXT:    ret float [[EXP2F]]
;
; NOLIB-LABEL: define float @test_simplify3(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call float @powf(float 2.000000e+00, float [[X]])
; NOLIB-NEXT:    ret float [[RETVAL]]
;
  %retval = call float @powf(float 2.0, float %x)
  ret float %retval
}

define double @test_simplify3n(double %x) {
; ANY-LABEL: define double @test_simplify3n(
; ANY-SAME: double [[X:%.*]]) {
; ANY-NEXT:    [[MUL:%.*]] = fmul double [[X]], -2.000000e+00
; ANY-NEXT:    [[EXP2:%.*]] = call double @exp2(double [[MUL]])
; ANY-NEXT:    ret double [[EXP2]]
;
; VC32-LABEL: define double @test_simplify3n(
; VC32-SAME: double [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call double @pow(double 2.500000e-01, double [[X]])
; VC32-NEXT:    ret double [[RETVAL]]
;
; VC19-LABEL: define double @test_simplify3n(
; VC19-SAME: double [[X:%.*]]) {
; VC19-NEXT:    [[MUL:%.*]] = fmul double [[X]], -2.000000e+00
; VC19-NEXT:    [[EXP2:%.*]] = call double @exp2(double [[MUL]])
; VC19-NEXT:    ret double [[EXP2]]
;
; VC64-LABEL: define double @test_simplify3n(
; VC64-SAME: double [[X:%.*]]) {
; VC64-NEXT:    [[RETVAL:%.*]] = call double @pow(double 2.500000e-01, double [[X]])
; VC64-NEXT:    ret double [[RETVAL]]
;
; NOLIB-LABEL: define double @test_simplify3n(
; NOLIB-SAME: double [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call double @pow(double 2.500000e-01, double [[X]])
; NOLIB-NEXT:    ret double [[RETVAL]]
;
  %retval = call double @pow(double 0.25, double %x)
  ret double %retval
}

; TODO: should be able to simplify llvm.pow to llvm.exp2 even without libcalls
define <2 x float> @test_simplify3v(<2 x float> %x) {
; ANY-LABEL: define <2 x float> @test_simplify3v(
; ANY-SAME: <2 x float> [[X:%.*]]) {
; ANY-NEXT:    [[EXP2:%.*]] = call <2 x float> @llvm.exp2.v2f32(<2 x float> [[X]])
; ANY-NEXT:    ret <2 x float> [[EXP2]]
;
; VC32-LABEL: define <2 x float> @test_simplify3v(
; VC32-SAME: <2 x float> [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 2.000000e+00, float 2.000000e+00>, <2 x float> [[X]])
; VC32-NEXT:    ret <2 x float> [[RETVAL]]
;
; VC19-LABEL: define <2 x float> @test_simplify3v(
; VC19-SAME: <2 x float> [[X:%.*]]) {
; VC19-NEXT:    [[RETVAL:%.*]] = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 2.000000e+00, float 2.000000e+00>, <2 x float> [[X]])
; VC19-NEXT:    ret <2 x float> [[RETVAL]]
;
; VC64-LABEL: define <2 x float> @test_simplify3v(
; VC64-SAME: <2 x float> [[X:%.*]]) {
; VC64-NEXT:    [[RETVAL:%.*]] = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 2.000000e+00, float 2.000000e+00>, <2 x float> [[X]])
; VC64-NEXT:    ret <2 x float> [[RETVAL]]
;
; NOLIB-LABEL: define <2 x float> @test_simplify3v(
; NOLIB-SAME: <2 x float> [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 2.000000e+00, float 2.000000e+00>, <2 x float> [[X]])
; NOLIB-NEXT:    ret <2 x float> [[RETVAL]]
;
  %retval = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 2.0, float 2.0>, <2 x float> %x)
  ret <2 x float> %retval
}

; TODO: should be able to simplify llvm.pow to llvm.exp2 even without libcalls
define <2 x double> @test_simplify3vn(<2 x double> %x) {
; ANY-LABEL: define <2 x double> @test_simplify3vn(
; ANY-SAME: <2 x double> [[X:%.*]]) {
; ANY-NEXT:    [[MUL:%.*]] = fmul <2 x double> [[X]], <double 2.000000e+00, double 2.000000e+00>
; ANY-NEXT:    [[EXP2:%.*]] = call <2 x double> @llvm.exp2.v2f64(<2 x double> [[MUL]])
; ANY-NEXT:    ret <2 x double> [[EXP2]]
;
; VC32-LABEL: define <2 x double> @test_simplify3vn(
; VC32-SAME: <2 x double> [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 4.000000e+00, double 4.000000e+00>, <2 x double> [[X]])
; VC32-NEXT:    ret <2 x double> [[RETVAL]]
;
; VC19-LABEL: define <2 x double> @test_simplify3vn(
; VC19-SAME: <2 x double> [[X:%.*]]) {
; VC19-NEXT:    [[RETVAL:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 4.000000e+00, double 4.000000e+00>, <2 x double> [[X]])
; VC19-NEXT:    ret <2 x double> [[RETVAL]]
;
; VC64-LABEL: define <2 x double> @test_simplify3vn(
; VC64-SAME: <2 x double> [[X:%.*]]) {
; VC64-NEXT:    [[RETVAL:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 4.000000e+00, double 4.000000e+00>, <2 x double> [[X]])
; VC64-NEXT:    ret <2 x double> [[RETVAL]]
;
; NOLIB-LABEL: define <2 x double> @test_simplify3vn(
; NOLIB-SAME: <2 x double> [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 4.000000e+00, double 4.000000e+00>, <2 x double> [[X]])
; NOLIB-NEXT:    ret <2 x double> [[RETVAL]]
;
  %retval = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 4.0, double 4.0>, <2 x double> %x)
  ret <2 x double> %retval
}

define double @test_simplify4(double %x) {
; ANY-LABEL: define double @test_simplify4(
; ANY-SAME: double [[X:%.*]]) {
; ANY-NEXT:    [[EXP2:%.*]] = call double @exp2(double [[X]])
; ANY-NEXT:    ret double [[EXP2]]
;
; VC32-LABEL: define double @test_simplify4(
; VC32-SAME: double [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call double @pow(double 2.000000e+00, double [[X]])
; VC32-NEXT:    ret double [[RETVAL]]
;
; VC19-LABEL: define double @test_simplify4(
; VC19-SAME: double [[X:%.*]]) {
; VC19-NEXT:    [[EXP2:%.*]] = call double @exp2(double [[X]])
; VC19-NEXT:    ret double [[EXP2]]
;
; VC64-LABEL: define double @test_simplify4(
; VC64-SAME: double [[X:%.*]]) {
; VC64-NEXT:    [[RETVAL:%.*]] = call double @pow(double 2.000000e+00, double [[X]])
; VC64-NEXT:    ret double [[RETVAL]]
;
; NOLIB-LABEL: define double @test_simplify4(
; NOLIB-SAME: double [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call double @pow(double 2.000000e+00, double [[X]])
; NOLIB-NEXT:    ret double [[RETVAL]]
;
  %retval = call double @pow(double 2.0, double %x)
  ret double %retval
}

define float @test_simplify4n(float %x) {
; ANY-LABEL: define float @test_simplify4n(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    [[MUL:%.*]] = fmul float [[X]], 3.000000e+00
; ANY-NEXT:    [[EXP2F:%.*]] = call float @exp2f(float [[MUL]])
; ANY-NEXT:    ret float [[EXP2F]]
;
; VC32-LABEL: define float @test_simplify4n(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call float @powf(float 8.000000e+00, float [[X]])
; VC32-NEXT:    ret float [[RETVAL]]
;
; VC51-LABEL: define float @test_simplify4n(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[RETVAL:%.*]] = call float @powf(float 8.000000e+00, float [[X]])
; VC51-NEXT:    ret float [[RETVAL]]
;
; VC64-LABEL: define float @test_simplify4n(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    [[RETVAL:%.*]] = call float @powf(float 8.000000e+00, float [[X]])
; VC64-NEXT:    ret float [[RETVAL]]
;
; VC83-LABEL: define float @test_simplify4n(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    [[MUL:%.*]] = fmul float [[X]], 3.000000e+00
; VC83-NEXT:    [[EXP2F:%.*]] = call float @exp2f(float [[MUL]])
; VC83-NEXT:    ret float [[EXP2F]]
;
; NOLIB-LABEL: define float @test_simplify4n(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call float @powf(float 8.000000e+00, float [[X]])
; NOLIB-NEXT:    ret float [[RETVAL]]
;
  %retval = call float @powf(float 8.0, float %x)
  ret float %retval
}

; TODO: should be able to simplify llvm.pow to llvm.exp2 even without libcalls
define <2 x double> @test_simplify4v(<2 x double> %x) {
; ANY-LABEL: define <2 x double> @test_simplify4v(
; ANY-SAME: <2 x double> [[X:%.*]]) {
; ANY-NEXT:    [[EXP2:%.*]] = call <2 x double> @llvm.exp2.v2f64(<2 x double> [[X]])
; ANY-NEXT:    ret <2 x double> [[EXP2]]
;
; VC32-LABEL: define <2 x double> @test_simplify4v(
; VC32-SAME: <2 x double> [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double> [[X]])
; VC32-NEXT:    ret <2 x double> [[RETVAL]]
;
; VC19-LABEL: define <2 x double> @test_simplify4v(
; VC19-SAME: <2 x double> [[X:%.*]]) {
; VC19-NEXT:    [[RETVAL:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double> [[X]])
; VC19-NEXT:    ret <2 x double> [[RETVAL]]
;
; VC64-LABEL: define <2 x double> @test_simplify4v(
; VC64-SAME: <2 x double> [[X:%.*]]) {
; VC64-NEXT:    [[RETVAL:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double> [[X]])
; VC64-NEXT:    ret <2 x double> [[RETVAL]]
;
; NOLIB-LABEL: define <2 x double> @test_simplify4v(
; NOLIB-SAME: <2 x double> [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 2.000000e+00, double 2.000000e+00>, <2 x double> [[X]])
; NOLIB-NEXT:    ret <2 x double> [[RETVAL]]
;
  %retval = call <2 x double> @llvm.pow.v2f64(<2 x double> <double 2.0, double 2.0>, <2 x double> %x)
  ret <2 x double> %retval
}

; TODO: should be able to simplify llvm.pow to llvm.exp2 even without libcalls
define <2 x float> @test_simplify4vn(<2 x float> %x) {
; ANY-LABEL: define <2 x float> @test_simplify4vn(
; ANY-SAME: <2 x float> [[X:%.*]]) {
; ANY-NEXT:    [[MUL:%.*]] = fneg <2 x float> [[X]]
; ANY-NEXT:    [[EXP2:%.*]] = call <2 x float> @llvm.exp2.v2f32(<2 x float> [[MUL]])
; ANY-NEXT:    ret <2 x float> [[EXP2]]
;
; VC32-LABEL: define <2 x float> @test_simplify4vn(
; VC32-SAME: <2 x float> [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 5.000000e-01, float 5.000000e-01>, <2 x float> [[X]])
; VC32-NEXT:    ret <2 x float> [[RETVAL]]
;
; VC19-LABEL: define <2 x float> @test_simplify4vn(
; VC19-SAME: <2 x float> [[X:%.*]]) {
; VC19-NEXT:    [[RETVAL:%.*]] = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 5.000000e-01, float 5.000000e-01>, <2 x float> [[X]])
; VC19-NEXT:    ret <2 x float> [[RETVAL]]
;
; VC64-LABEL: define <2 x float> @test_simplify4vn(
; VC64-SAME: <2 x float> [[X:%.*]]) {
; VC64-NEXT:    [[RETVAL:%.*]] = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 5.000000e-01, float 5.000000e-01>, <2 x float> [[X]])
; VC64-NEXT:    ret <2 x float> [[RETVAL]]
;
; NOLIB-LABEL: define <2 x float> @test_simplify4vn(
; NOLIB-SAME: <2 x float> [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 5.000000e-01, float 5.000000e-01>, <2 x float> [[X]])
; NOLIB-NEXT:    ret <2 x float> [[RETVAL]]
;
  %retval = call <2 x float> @llvm.pow.v2f32(<2 x float> <float 0.5, float 0.5>, <2 x float> %x)
  ret <2 x float> %retval
}

; Check pow(x, 0.0) -> 1.0.

define float @test_simplify5(float %x) {
; ANY-LABEL: define float @test_simplify5(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    ret float 1.000000e+00
;
; VC32-LABEL: define float @test_simplify5(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 0.000000e+00)
; VC32-NEXT:    ret float [[RETVAL]]
;
; VC51-LABEL: define float @test_simplify5(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 0.000000e+00)
; VC51-NEXT:    ret float [[RETVAL]]
;
; VC64-LABEL: define float @test_simplify5(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    ret float 1.000000e+00
;
; VC83-LABEL: define float @test_simplify5(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    ret float 1.000000e+00
;
; NOLIB-LABEL: define float @test_simplify5(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 0.000000e+00)
; NOLIB-NEXT:    ret float [[RETVAL]]
;
  %retval = call float @powf(float %x, float 0.0)
  ret float %retval
}

define <2 x float> @test_simplify5v(<2 x float> %x) {
; CHECK-LABEL: define <2 x float> @test_simplify5v(
; CHECK-SAME: <2 x float> [[X:%.*]]) {
; CHECK-NEXT:    ret <2 x float> <float 1.000000e+00, float 1.000000e+00>
;
  %retval = call <2 x float> @llvm.pow.v2f32(<2 x float> %x, <2 x float> <float 0.0, float 0.0>)
  ret <2 x float> %retval
}

define double @test_simplify6(double %x) {
; LIB-LABEL: define double @test_simplify6(
; LIB-SAME: double [[X:%.*]]) {
; LIB-NEXT:    ret double 1.000000e+00
;
; NOLIB-LABEL: define double @test_simplify6(
; NOLIB-SAME: double [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call double @pow(double [[X]], double 0.000000e+00)
; NOLIB-NEXT:    ret double [[RETVAL]]
;
  %retval = call double @pow(double %x, double 0.0)
  ret double %retval
}

define <2 x double> @test_simplify6v(<2 x double> %x) {
; CHECK-LABEL: define <2 x double> @test_simplify6v(
; CHECK-SAME: <2 x double> [[X:%.*]]) {
; CHECK-NEXT:    ret <2 x double> <double 1.000000e+00, double 1.000000e+00>
;
  %retval = call <2 x double> @llvm.pow.v2f64(<2 x double> %x, <2 x double> <double 0.0, double 0.0>)
  ret <2 x double> %retval
}

; Check pow(x, 0.5) -> fabs(sqrt(x)), where x != -infinity.

define float @powf_libcall_half_ninf(float %x) {
; ANY-LABEL: define float @powf_libcall_half_ninf(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    [[SQRTF:%.*]] = call ninf float @sqrtf(float [[X]])
; ANY-NEXT:    [[ABS:%.*]] = call ninf float @llvm.fabs.f32(float [[SQRTF]])
; ANY-NEXT:    ret float [[ABS]]
;
; VC32-LABEL: define float @powf_libcall_half_ninf(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call ninf float @powf(float [[X]], float 5.000000e-01)
; VC32-NEXT:    ret float [[RETVAL]]
;
; VC51-LABEL: define float @powf_libcall_half_ninf(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[RETVAL:%.*]] = call ninf float @powf(float [[X]], float 5.000000e-01)
; VC51-NEXT:    ret float [[RETVAL]]
;
; VC64-LABEL: define float @powf_libcall_half_ninf(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    [[SQRTF:%.*]] = call ninf float @sqrtf(float [[X]])
; VC64-NEXT:    [[ABS:%.*]] = call ninf float @llvm.fabs.f32(float [[SQRTF]])
; VC64-NEXT:    ret float [[ABS]]
;
; VC83-LABEL: define float @powf_libcall_half_ninf(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    [[SQRTF:%.*]] = call ninf float @sqrtf(float [[X]])
; VC83-NEXT:    [[ABS:%.*]] = call ninf float @llvm.fabs.f32(float [[SQRTF]])
; VC83-NEXT:    ret float [[ABS]]
;
; NOLIB-LABEL: define float @powf_libcall_half_ninf(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call ninf float @powf(float [[X]], float 5.000000e-01)
; NOLIB-NEXT:    ret float [[RETVAL]]
;
  %retval = call ninf float @powf(float %x, float 0.5)
  ret float %retval
}

; Make sure assume works when inferring no infinities
define float @powf_libcall_half_assume_ninf(float %x) {
; ANY-LABEL: define float @powf_libcall_half_assume_ninf(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    [[FABS:%.*]] = call float @llvm.fabs.f32(float [[X]])
; ANY-NEXT:    [[NOT_INF:%.*]] = fcmp one float [[FABS]], 0x7FF0000000000000
; ANY-NEXT:    call void @llvm.assume(i1 [[NOT_INF]])
; ANY-NEXT:    [[SQRTF:%.*]] = call float @sqrtf(float [[X]])
; ANY-NEXT:    [[ABS:%.*]] = call float @llvm.fabs.f32(float [[SQRTF]])
; ANY-NEXT:    ret float [[ABS]]
;
; VC32-LABEL: define float @powf_libcall_half_assume_ninf(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[FABS:%.*]] = call float @llvm.fabs.f32(float [[X]])
; VC32-NEXT:    [[NOT_INF:%.*]] = fcmp one float [[FABS]], 0x7FF0000000000000
; VC32-NEXT:    call void @llvm.assume(i1 [[NOT_INF]])
; VC32-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 5.000000e-01)
; VC32-NEXT:    ret float [[RETVAL]]
;
; VC51-LABEL: define float @powf_libcall_half_assume_ninf(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[FABS:%.*]] = call float @llvm.fabs.f32(float [[X]])
; VC51-NEXT:    [[NOT_INF:%.*]] = fcmp one float [[FABS]], 0x7FF0000000000000
; VC51-NEXT:    call void @llvm.assume(i1 [[NOT_INF]])
; VC51-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 5.000000e-01)
; VC51-NEXT:    ret float [[RETVAL]]
;
; VC64-LABEL: define float @powf_libcall_half_assume_ninf(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    [[FABS:%.*]] = call float @llvm.fabs.f32(float [[X]])
; VC64-NEXT:    [[NOT_INF:%.*]] = fcmp one float [[FABS]], 0x7FF0000000000000
; VC64-NEXT:    call void @llvm.assume(i1 [[NOT_INF]])
; VC64-NEXT:    [[SQRTF:%.*]] = call float @sqrtf(float [[X]])
; VC64-NEXT:    [[ABS:%.*]] = call float @llvm.fabs.f32(float [[SQRTF]])
; VC64-NEXT:    ret float [[ABS]]
;
; VC83-LABEL: define float @powf_libcall_half_assume_ninf(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    [[FABS:%.*]] = call float @llvm.fabs.f32(float [[X]])
; VC83-NEXT:    [[NOT_INF:%.*]] = fcmp one float [[FABS]], 0x7FF0000000000000
; VC83-NEXT:    call void @llvm.assume(i1 [[NOT_INF]])
; VC83-NEXT:    [[SQRTF:%.*]] = call float @sqrtf(float [[X]])
; VC83-NEXT:    [[ABS:%.*]] = call float @llvm.fabs.f32(float [[SQRTF]])
; VC83-NEXT:    ret float [[ABS]]
;
; NOLIB-LABEL: define float @powf_libcall_half_assume_ninf(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[FABS:%.*]] = call float @llvm.fabs.f32(float [[X]])
; NOLIB-NEXT:    [[NOT_INF:%.*]] = fcmp one float [[FABS]], 0x7FF0000000000000
; NOLIB-NEXT:    call void @llvm.assume(i1 [[NOT_INF]])
; NOLIB-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 5.000000e-01)
; NOLIB-NEXT:    ret float [[RETVAL]]
;
  %fabs = call float @llvm.fabs.f32(float %x)
  %not.inf = fcmp one float %fabs, 0x7FF0000000000000
  call void @llvm.assume(i1 %not.inf)
  %retval = call float @powf(float %x, float 0.5)
  ret float %retval
}

define float @powf_libcall_half_ninf_tail(float %x) {
; ANY-LABEL: define float @powf_libcall_half_ninf_tail(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    [[SQRTF:%.*]] = call ninf float @sqrtf(float [[X]])
; ANY-NEXT:    [[ABS:%.*]] = tail call ninf float @llvm.fabs.f32(float [[SQRTF]])
; ANY-NEXT:    ret float [[ABS]]
;
; VC32-LABEL: define float @powf_libcall_half_ninf_tail(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = tail call ninf float @powf(float [[X]], float 5.000000e-01)
; VC32-NEXT:    ret float [[RETVAL]]
;
; VC51-LABEL: define float @powf_libcall_half_ninf_tail(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[RETVAL:%.*]] = tail call ninf float @powf(float [[X]], float 5.000000e-01)
; VC51-NEXT:    ret float [[RETVAL]]
;
; VC64-LABEL: define float @powf_libcall_half_ninf_tail(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    [[SQRTF:%.*]] = call ninf float @sqrtf(float [[X]])
; VC64-NEXT:    [[ABS:%.*]] = tail call ninf float @llvm.fabs.f32(float [[SQRTF]])
; VC64-NEXT:    ret float [[ABS]]
;
; VC83-LABEL: define float @powf_libcall_half_ninf_tail(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    [[SQRTF:%.*]] = call ninf float @sqrtf(float [[X]])
; VC83-NEXT:    [[ABS:%.*]] = tail call ninf float @llvm.fabs.f32(float [[SQRTF]])
; VC83-NEXT:    ret float [[ABS]]
;
; NOLIB-LABEL: define float @powf_libcall_half_ninf_tail(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = tail call ninf float @powf(float [[X]], float 5.000000e-01)
; NOLIB-NEXT:    ret float [[RETVAL]]
;
  %retval = tail call ninf float @powf(float %x, float 0.5)
  ret float %retval
}

define float @powf_libcall_half_ninf_musttail(float %x, float %y) {
; CHECK-LABEL: define float @powf_libcall_half_ninf_musttail(
; CHECK-SAME: float [[X:%.*]], float [[Y:%.*]]) {
; CHECK-NEXT:    [[RETVAL:%.*]] = musttail call ninf float @powf(float [[X]], float 5.000000e-01)
; CHECK-NEXT:    ret float [[RETVAL]]
;
  %retval = musttail call ninf float @powf(float %x, float 0.5)
  ret float %retval
}

; Check pow(x, 0.5) where x may be -infinity does not call a library sqrt function.

define double @pow_libcall_half_no_FMF(double %x) {
; CHECK-LABEL: define double @pow_libcall_half_no_FMF(
; CHECK-SAME: double [[X:%.*]]) {
; CHECK-NEXT:    [[RETVAL:%.*]] = call double @pow(double [[X]], double 5.000000e-01)
; CHECK-NEXT:    ret double [[RETVAL]]
;
  %retval = call double @pow(double %x, double 0.5)
  ret double %retval
}

; Check pow(-infinity, 0.5) -> +infinity.

define float @test_simplify9(float %x) {
; CHECK-LABEL: define float @test_simplify9(
; CHECK-SAME: float [[X:%.*]]) {
; CHECK-NEXT:    ret float 0x7FF0000000000000
;
  %retval = call float @llvm.pow.f32(float 0xFFF0000000000000, float 0.5)
  ret float %retval
}

define double @test_simplify10(double %x) {
; CHECK-LABEL: define double @test_simplify10(
; CHECK-SAME: double [[X:%.*]]) {
; CHECK-NEXT:    ret double 0x7FF0000000000000
;
  %retval = call double @llvm.pow.f64(double 0xFFF0000000000000, double 0.5)
  ret double %retval
}

; Check pow(x, 1.0) -> x.

define float @test_simplify11(float %x) {
; ANY-LABEL: define float @test_simplify11(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    ret float [[X]]
;
; VC32-LABEL: define float @test_simplify11(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 1.000000e+00)
; VC32-NEXT:    ret float [[RETVAL]]
;
; VC51-LABEL: define float @test_simplify11(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 1.000000e+00)
; VC51-NEXT:    ret float [[RETVAL]]
;
; VC64-LABEL: define float @test_simplify11(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    ret float [[X]]
;
; VC83-LABEL: define float @test_simplify11(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    ret float [[X]]
;
; NOLIB-LABEL: define float @test_simplify11(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call float @powf(float [[X]], float 1.000000e+00)
; NOLIB-NEXT:    ret float [[RETVAL]]
;
  %retval = call float @powf(float %x, float 1.0)
  ret float %retval
}

define <2 x float> @test_simplify11v(<2 x float> %x) {
; CHECK-LABEL: define <2 x float> @test_simplify11v(
; CHECK-SAME: <2 x float> [[X:%.*]]) {
; CHECK-NEXT:    ret <2 x float> [[X]]
;
  %retval = call <2 x float> @llvm.pow.v2f32(<2 x float> %x, <2 x float> <float 1.0, float 1.0>)
  ret <2 x float> %retval
}

define double @test_simplify12(double %x) {
; LIB-LABEL: define double @test_simplify12(
; LIB-SAME: double [[X:%.*]]) {
; LIB-NEXT:    ret double [[X]]
;
; NOLIB-LABEL: define double @test_simplify12(
; NOLIB-SAME: double [[X:%.*]]) {
; NOLIB-NEXT:    [[RETVAL:%.*]] = call double @pow(double [[X]], double 1.000000e+00)
; NOLIB-NEXT:    ret double [[RETVAL]]
;
  %retval = call double @pow(double %x, double 1.0)
  ret double %retval
}

define <2 x double> @test_simplify12v(<2 x double> %x) {
; CHECK-LABEL: define <2 x double> @test_simplify12v(
; CHECK-SAME: <2 x double> [[X:%.*]]) {
; CHECK-NEXT:    ret <2 x double> [[X]]
;
  %retval = call <2 x double> @llvm.pow.v2f64(<2 x double> %x, <2 x double> <double 1.0, double 1.0>)
  ret <2 x double> %retval
}

; Check pow(x, 2.0) -> x*x.

define float @pow2_strict(float %x) {
; ANY-LABEL: define float @pow2_strict(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    [[SQUARE:%.*]] = fmul float [[X]], [[X]]
; ANY-NEXT:    ret float [[SQUARE]]
;
; VC32-LABEL: define float @pow2_strict(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[R:%.*]] = call float @powf(float [[X]], float 2.000000e+00)
; VC32-NEXT:    ret float [[R]]
;
; VC51-LABEL: define float @pow2_strict(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[R:%.*]] = call float @powf(float [[X]], float 2.000000e+00)
; VC51-NEXT:    ret float [[R]]
;
; VC64-LABEL: define float @pow2_strict(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    [[SQUARE:%.*]] = fmul float [[X]], [[X]]
; VC64-NEXT:    ret float [[SQUARE]]
;
; VC83-LABEL: define float @pow2_strict(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    [[SQUARE:%.*]] = fmul float [[X]], [[X]]
; VC83-NEXT:    ret float [[SQUARE]]
;
; NOLIB-LABEL: define float @pow2_strict(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[R:%.*]] = call float @powf(float [[X]], float 2.000000e+00)
; NOLIB-NEXT:    ret float [[R]]
;
  %r = call float @powf(float %x, float 2.0)
  ret float %r
}

define <2 x float> @pow2_strictv(<2 x float> %x) {
; CHECK-LABEL: define <2 x float> @pow2_strictv(
; CHECK-SAME: <2 x float> [[X:%.*]]) {
; CHECK-NEXT:    [[SQUARE:%.*]] = fmul <2 x float> [[X]], [[X]]
; CHECK-NEXT:    ret <2 x float> [[SQUARE]]
;
  %r = call <2 x float> @llvm.pow.v2f32(<2 x float> %x, <2 x float> <float 2.0, float 2.0>)
  ret <2 x float> %r
}

define double @pow2_double_strict(double %x) {
; LIB-LABEL: define double @pow2_double_strict(
; LIB-SAME: double [[X:%.*]]) {
; LIB-NEXT:    [[SQUARE:%.*]] = fmul double [[X]], [[X]]
; LIB-NEXT:    ret double [[SQUARE]]
;
; NOLIB-LABEL: define double @pow2_double_strict(
; NOLIB-SAME: double [[X:%.*]]) {
; NOLIB-NEXT:    [[R:%.*]] = call double @pow(double [[X]], double 2.000000e+00)
; NOLIB-NEXT:    ret double [[R]]
;
  %r = call double @pow(double %x, double 2.0)
  ret double %r
}

define <2 x double> @pow2_double_strictv(<2 x double> %x) {
; CHECK-LABEL: define <2 x double> @pow2_double_strictv(
; CHECK-SAME: <2 x double> [[X:%.*]]) {
; CHECK-NEXT:    [[SQUARE:%.*]] = fmul <2 x double> [[X]], [[X]]
; CHECK-NEXT:    ret <2 x double> [[SQUARE]]
;
  %r = call <2 x double> @llvm.pow.v2f64(<2 x double> %x, <2 x double> <double 2.0, double 2.0>)
  ret <2 x double> %r
}

; Don't drop the FMF - PR35601 ( https://bugs.llvm.org/show_bug.cgi?id=35601 )

define float @pow2_fast(float %x) {
; ANY-LABEL: define float @pow2_fast(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    [[SQUARE:%.*]] = fmul fast float [[X]], [[X]]
; ANY-NEXT:    ret float [[SQUARE]]
;
; VC32-LABEL: define float @pow2_fast(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[R:%.*]] = call fast float @powf(float [[X]], float 2.000000e+00)
; VC32-NEXT:    ret float [[R]]
;
; VC51-LABEL: define float @pow2_fast(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[R:%.*]] = call fast float @powf(float [[X]], float 2.000000e+00)
; VC51-NEXT:    ret float [[R]]
;
; VC64-LABEL: define float @pow2_fast(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    [[SQUARE:%.*]] = fmul fast float [[X]], [[X]]
; VC64-NEXT:    ret float [[SQUARE]]
;
; VC83-LABEL: define float @pow2_fast(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    [[SQUARE:%.*]] = fmul fast float [[X]], [[X]]
; VC83-NEXT:    ret float [[SQUARE]]
;
; NOLIB-LABEL: define float @pow2_fast(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[R:%.*]] = call fast float @powf(float [[X]], float 2.000000e+00)
; NOLIB-NEXT:    ret float [[R]]
;
  %r = call fast float @powf(float %x, float 2.0)
  ret float %r
}

; Check pow(x, -1.0) -> 1.0/x.

define float @pow_neg1_strict(float %x) {
; ANY-LABEL: define float @pow_neg1_strict(
; ANY-SAME: float [[X:%.*]]) {
; ANY-NEXT:    [[RECIPROCAL:%.*]] = fdiv float 1.000000e+00, [[X]]
; ANY-NEXT:    ret float [[RECIPROCAL]]
;
; VC32-LABEL: define float @pow_neg1_strict(
; VC32-SAME: float [[X:%.*]]) {
; VC32-NEXT:    [[R:%.*]] = call float @powf(float [[X]], float -1.000000e+00)
; VC32-NEXT:    ret float [[R]]
;
; VC51-LABEL: define float @pow_neg1_strict(
; VC51-SAME: float [[X:%.*]]) {
; VC51-NEXT:    [[R:%.*]] = call float @powf(float [[X]], float -1.000000e+00)
; VC51-NEXT:    ret float [[R]]
;
; VC64-LABEL: define float @pow_neg1_strict(
; VC64-SAME: float [[X:%.*]]) {
; VC64-NEXT:    [[RECIPROCAL:%.*]] = fdiv float 1.000000e+00, [[X]]
; VC64-NEXT:    ret float [[RECIPROCAL]]
;
; VC83-LABEL: define float @pow_neg1_strict(
; VC83-SAME: float [[X:%.*]]) {
; VC83-NEXT:    [[RECIPROCAL:%.*]] = fdiv float 1.000000e+00, [[X]]
; VC83-NEXT:    ret float [[RECIPROCAL]]
;
; NOLIB-LABEL: define float @pow_neg1_strict(
; NOLIB-SAME: float [[X:%.*]]) {
; NOLIB-NEXT:    [[R:%.*]] = call float @powf(float [[X]], float -1.000000e+00)
; NOLIB-NEXT:    ret float [[R]]
;
  %r = call float @powf(float %x, float -1.0)
  ret float %r
}

define <2 x float> @pow_neg1_strictv(<2 x float> %x) {
; CHECK-LABEL: define <2 x float> @pow_neg1_strictv(
; CHECK-SAME: <2 x float> [[X:%.*]]) {
; CHECK-NEXT:    [[RECIPROCAL:%.*]] = fdiv <2 x float> <float 1.000000e+00, float 1.000000e+00>, [[X]]
; CHECK-NEXT:    ret <2 x float> [[RECIPROCAL]]
;
  %r = call <2 x float> @llvm.pow.v2f32(<2 x float> %x, <2 x float> <float -1.0, float -1.0>)
  ret <2 x float> %r
}

define double @pow_neg1_double_fast(double %x) {
; LIB-LABEL: define double @pow_neg1_double_fast(
; LIB-SAME: double [[X:%.*]]) {
; LIB-NEXT:    [[RECIPROCAL:%.*]] = fdiv fast double 1.000000e+00, [[X]]
; LIB-NEXT:    ret double [[RECIPROCAL]]
;
; NOLIB-LABEL: define double @pow_neg1_double_fast(
; NOLIB-SAME: double [[X:%.*]]) {
; NOLIB-NEXT:    [[R:%.*]] = call fast double @pow(double [[X]], double -1.000000e+00)
; NOLIB-NEXT:    ret double [[R]]
;
  %r = call fast double @pow(double %x, double -1.0)
  ret double %r
}

define <2 x double> @pow_neg1_double_fastv(<2 x double> %x) {
; CHECK-LABEL: define <2 x double> @pow_neg1_double_fastv(
; CHECK-SAME: <2 x double> [[X:%.*]]) {
; CHECK-NEXT:    [[RECIPROCAL:%.*]] = fdiv fast <2 x double> <double 1.000000e+00, double 1.000000e+00>, [[X]]
; CHECK-NEXT:    ret <2 x double> [[RECIPROCAL]]
;
  %r = call fast <2 x double> @llvm.pow.v2f64(<2 x double> %x, <2 x double> <double -1.0, double -1.0>)
  ret <2 x double> %r
}

define double @pow_intrinsic_half_no_FMF(double %x) {
; CHECK-LABEL: define double @pow_intrinsic_half_no_FMF(
; CHECK-SAME: double [[X:%.*]]) {
; CHECK-NEXT:    [[SQRT:%.*]] = call double @llvm.sqrt.f64(double [[X]])
; CHECK-NEXT:    [[ABS:%.*]] = call double @llvm.fabs.f64(double [[SQRT]])
; CHECK-NEXT:    [[ISINF:%.*]] = fcmp oeq double [[X]], 0xFFF0000000000000
; CHECK-NEXT:    [[RETVAL:%.*]] = select i1 [[ISINF]], double 0x7FF0000000000000, double [[ABS]]
; CHECK-NEXT:    ret double [[RETVAL]]
;
  %retval = call double @llvm.pow.f64(double %x, double 0.5)
  ret double %retval
}

; Check pow(10.0, x) -> __exp10(x) on OS X 10.9+ and iOS 7.0+.

define float @test_simplify18(float %x) {
; CHECK-EXP10-LABEL: define float @test_simplify18(
; CHECK-EXP10-SAME: float [[X:%.*]]) {
; CHECK-EXP10-NEXT:    [[__EXP10F:%.*]] = call float @__exp10f(float [[X]])
; CHECK-EXP10-NEXT:    ret float [[__EXP10F]]
;
; CHECK-NO-EXP10-LABEL: define float @test_simplify18(
; CHECK-NO-EXP10-SAME: float [[X:%.*]]) {
; CHECK-NO-EXP10-NEXT:    [[RETVAL:%.*]] = call float @powf(float 1.000000e+01, float [[X]])
; CHECK-NO-EXP10-NEXT:    ret float [[RETVAL]]
;
  %retval = call float @powf(float 10.0, float %x)
  ret float %retval
}

define double @test_simplify19(double %x) {
; CHECK-EXP10-LABEL: define double @test_simplify19(
; CHECK-EXP10-SAME: double [[X:%.*]]) {
; CHECK-EXP10-NEXT:    [[__EXP10:%.*]] = call double @__exp10(double [[X]])
; CHECK-EXP10-NEXT:    ret double [[__EXP10]]
;
; CHECK-NO-EXP10-LABEL: define double @test_simplify19(
; CHECK-NO-EXP10-SAME: double [[X:%.*]]) {
; CHECK-NO-EXP10-NEXT:    [[RETVAL:%.*]] = call double @pow(double 1.000000e+01, double [[X]])
; CHECK-NO-EXP10-NEXT:    ret double [[RETVAL]]
;
  %retval = call double @pow(double 10.0, double %x)
  ret double %retval
}