; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instsimplify < %s | FileCheck %s

define float @ldexp_f32_undef_undef() {
; CHECK-LABEL: @ldexp_f32_undef_undef(
; CHECK-NEXT:    ret float 0x7FF8000000000000
;
  %call = call float @llvm.ldexp.f32.i32(float undef, i32 undef)
  ret float %call
}

define float @ldexp_f32_poison_undef() {
; CHECK-LABEL: @ldexp_f32_poison_undef(
; CHECK-NEXT:    ret float poison
;
  %call = call float @llvm.ldexp.f32.i32(float poison, i32 undef)
  ret float %call
}

define float @ldexp_f32_undef_poison() {
; CHECK-LABEL: @ldexp_f32_undef_poison(
; CHECK-NEXT:    ret float undef
;
  %call = call float @llvm.ldexp.f32.i32(float undef, i32 poison)
  ret float %call
}

define float @ldexp_f32_poison_poison() {
; CHECK-LABEL: @ldexp_f32_poison_poison(
; CHECK-NEXT:    ret float poison
;
  %call = call float @llvm.ldexp.f32.i32(float poison, i32 poison)
  ret float %call
}

; If the exponent is 0, it doesn't matter if the first argument is
; constant or not.
define void @ldexp_f32_exp0(float %x) {
; CHECK-LABEL: @ldexp_f32_exp0(
; CHECK-NEXT:    store volatile float [[X:%.*]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float [[X]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[ONE:%.*]] = call float @llvm.ldexp.f32.i32(float [[X]], i32 1)
; CHECK-NEXT:    store volatile float [[ONE]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %zero = call float @llvm.ldexp.f32.i32(float %x, i32 0)
  store volatile float %zero, ptr addrspace(1) undef

  %undef = call float @llvm.ldexp.f32.i32(float %x, i32 undef)
  store volatile float %undef, ptr addrspace(1) undef

  %one = call float @llvm.ldexp.f32.i32(float %x, i32 1)
  store volatile float %one, ptr addrspace(1) undef
  ret void
}

define void @ldexp_v2f32_exp0(<2 x float> %x) {
; CHECK-LABEL: @ldexp_v2f32_exp0(
; CHECK-NEXT:    store volatile <2 x float> [[X:%.*]], ptr addrspace(1) undef, align 8
; CHECK-NEXT:    store volatile <2 x float> [[X]], ptr addrspace(1) undef, align 8
; CHECK-NEXT:    store volatile <2 x float> [[X]], ptr addrspace(1) undef, align 8
; CHECK-NEXT:    ret void
;
  %part.undef0 = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %x, <2 x i32> <i32 0, i32 undef>)
  store volatile <2 x float> %part.undef0, ptr addrspace(1) undef

  %part.undef1 = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %x, <2 x i32> <i32 undef, i32 0>)
  store volatile <2 x float> %part.undef1, ptr addrspace(1) undef

  %zero = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %x, <2 x i32> zeroinitializer)
  store volatile <2 x float> %zero, ptr addrspace(1) undef
  ret void
}

; Test variable exponent but zero or undef value.
define void @ldexp_f32_val0(i32 %y) {
; CHECK-LABEL: @ldexp_f32_val0(
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %zero = call float @llvm.ldexp.f32.i32(float 0.0, i32 %y)
  store volatile float %zero, ptr addrspace(1) undef

  %neg.zero = call float @llvm.ldexp.f32.i32(float -0.0, i32 %y)
  store volatile float %neg.zero, ptr addrspace(1) undef

  %undef = call float @llvm.ldexp.f32.i32(float undef, i32 %y)
  store volatile float %undef, ptr addrspace(1) undef
  ret void
}

define void @ldexp_f32_val_infinity(i32 %y) {
; CHECK-LABEL: @ldexp_f32_val_infinity(
; CHECK-NEXT:    store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %inf = call float @llvm.ldexp.f32.i32(float 0x7ff0000000000000, i32 %y)
  store volatile float %inf, ptr addrspace(1) undef

  %neg.inf = call float @llvm.ldexp.f32.i32(float 0xfff0000000000000, i32 %y)
  store volatile float %neg.inf, ptr addrspace(1) undef

  %inf.zero = call float @llvm.ldexp.f32.i32(float 0x7ff0000000000000, i32 0)
  store volatile float %inf.zero, ptr addrspace(1) undef

  %neg.inf.zero = call float @llvm.ldexp.f32.i32(float 0xfff0000000000000, i32 0)
  store volatile float %neg.inf.zero, ptr addrspace(1) undef

  ret void
}

; Signaling nan should be quieted.
; Technically this depends on the ieee_mode in the mode register.
define void @ldexp_f32_val_nan(i32 %y) {
; CHECK-LABEL: @ldexp_f32_val_nan(
; CHECK-NEXT:    store volatile float 0x7FF8001000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0xFFF8000100000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x7FF8000020000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0xFFFFFFFFE0000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %plus.qnan = call float @llvm.ldexp.f32.i32(float 0x7ff0001000000000, i32 %y)
  store volatile float %plus.qnan, ptr addrspace(1) undef

  %neg.qnan = call float @llvm.ldexp.f32.i32(float 0xfff0000100000000, i32 %y)
  store volatile float %neg.qnan, ptr addrspace(1) undef

  %plus.snan = call float @llvm.ldexp.f32.i32(float 0x7FF0000020000000, i32 %y)
  store volatile float %plus.snan, ptr addrspace(1) undef

  %neg.snan = call float @llvm.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 %y)
  store volatile float %neg.snan, ptr addrspace(1) undef

  ret void
}

define void @ldexp_f32_val_nan_strictfp_maytrap(i32 %y) #0 {
; CHECK-LABEL: @ldexp_f32_val_nan_strictfp_maytrap(
; CHECK-NEXT:    [[PLUS_QNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0001000000000, i32 [[Y:%.*]], metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0:[0-9]+]]
; CHECK-NEXT:    store volatile float [[PLUS_QNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[NEG_QNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF0000100000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[NEG_QNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[PLUS_SNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[PLUS_SNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[NEG_SNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[NEG_SNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %plus.qnan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7ff0001000000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %plus.qnan, ptr addrspace(1) undef

  %neg.qnan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xfff0000100000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %neg.qnan, ptr addrspace(1) undef

  %plus.snan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %plus.snan, ptr addrspace(1) undef

  %neg.snan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %neg.snan, ptr addrspace(1) undef

  %undef = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %undef, ptr addrspace(1) undef

  ret void
}


define void @ldexp_f32_val_nan_strictfp_strict(i32 %y) #0 {
; CHECK-LABEL: @ldexp_f32_val_nan_strictfp_strict(
; CHECK-NEXT:    [[PLUS_QNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0001000000000, i32 [[Y:%.*]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[PLUS_QNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[NEG_QNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF0000100000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[NEG_QNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[PLUS_SNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[PLUS_SNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[NEG_SNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[NEG_SNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[UNDEF:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT:    store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %plus.qnan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7ff0001000000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
  store volatile float %plus.qnan, ptr addrspace(1) undef

  %neg.qnan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xfff0000100000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
  store volatile float %neg.qnan, ptr addrspace(1) undef

  %plus.snan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
  store volatile float %plus.snan, ptr addrspace(1) undef

  %neg.snan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
  store volatile float %neg.snan, ptr addrspace(1) undef

  %undef = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
  store volatile float %undef, ptr addrspace(1) undef

  ret void
}

define void @ldexp_f32_0() {
; CHECK-LABEL: @ldexp_f32_0(
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %zero = call float @llvm.ldexp.f32.i32(float 0.0, i32 0)
  store volatile float %zero, ptr addrspace(1) undef

  %neg.zero = call float @llvm.ldexp.f32.i32(float -0.0, i32 0)
  store volatile float %neg.zero, ptr addrspace(1) undef

  %one = call float @llvm.ldexp.f32.i32(float 0.0, i32 1)
  store volatile float %one, ptr addrspace(1) undef

  %min.exp = call float @llvm.ldexp.f32.i32(float 0.0, i32 -126)
  store volatile float %min.exp, ptr addrspace(1) undef

  %min.exp.sub1 = call float @llvm.ldexp.f32.i32(float 0.0, i32 -127)
  store volatile float %min.exp.sub1, ptr addrspace(1) undef

  %max.exp = call float @llvm.ldexp.f32.i32(float 0.0, i32 127)
  store volatile float %max.exp, ptr addrspace(1) undef

  %max.exp.plus1 = call float @llvm.ldexp.f32.i32(float 0.0, i32 128)
  store volatile float %max.exp.plus1, ptr addrspace(1) undef

  ret void
}

define void @ldexp_f32_undef_strictfp(float %x, i32 %y) #0 {
; CHECK-LABEL: @ldexp_f32_undef_strictfp(
; CHECK-NEXT:    [[UNDEF_EXP:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float [[X:%.*]], i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[UNDEF_EXP]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float [[X]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float poison, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float poison, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float undef, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %undef.exp = call float @llvm.experimental.constrained.ldexp.f32.i32(float %x, i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %undef.exp, ptr addrspace(1) undef
  %poison.exp = call float @llvm.experimental.constrained.ldexp.f32.i32(float %x, i32 poison, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %poison.exp, ptr addrspace(1) undef
  %undef.val = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %undef.val, ptr addrspace(1) undef
  %poison.val = call float @llvm.experimental.constrained.ldexp.f32.i32(float poison, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %poison.val, ptr addrspace(1) undef
  %poison.undef = call float @llvm.experimental.constrained.ldexp.f32.i32(float poison, i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %poison.undef, ptr addrspace(1) undef
  %undef.poison = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 poison, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %undef.poison, ptr addrspace(1) undef
  ret void
}

; Should be able to ignore strictfp in this case
define void @ldexp_f32_0_strictfp(float %x) #0 {
; CHECK-LABEL: @ldexp_f32_0_strictfp(
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[UNKNOWN_ZERO:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float [[X:%.*]], i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[UNKNOWN_ZERO]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[UNKNOWN_UNDEF:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float [[X]], i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[UNKNOWN_UNDEF]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[DENORMAL_0:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[DENORMAL_0]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[DENORMAL_1:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 1, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[DENORMAL_1]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %zero = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0.0, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %zero, ptr addrspace(1) undef

  %neg.zero = call float @llvm.experimental.constrained.ldexp.f32.i32(float -0.0, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %neg.zero, ptr addrspace(1) undef

  %one = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0.0, i32 1, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %one, ptr addrspace(1) undef

  %unknown.zero = call float @llvm.experimental.constrained.ldexp.f32.i32(float %x, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %unknown.zero, ptr addrspace(1) undef

  %unknown.undef = call float @llvm.experimental.constrained.ldexp.f32.i32(float %x, i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %unknown.undef, ptr addrspace(1) undef

  %denormal.0 = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %denormal.0, ptr addrspace(1) undef

  %denormal.1 = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 1, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
  store volatile float %denormal.1, ptr addrspace(1) undef

  ret void
}

define void @ldexp_f32() {
; CHECK-LABEL: @ldexp_f32(
; CHECK-NEXT:    store volatile float 2.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 4.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 8.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 5.000000e-01, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x3810000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x3800000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x47E0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float -2.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float -4.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float -8.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float -5.000000e-01, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0xB810000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0xB800000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0xC7E0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x44D5000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %one.one = call float @llvm.ldexp.f32.i32(float 1.0, i32 1)
  store volatile float %one.one, ptr addrspace(1) undef

  %one.two = call float @llvm.ldexp.f32.i32(float 1.0, i32 2)
  store volatile float %one.two, ptr addrspace(1) undef

  %one.three = call float @llvm.ldexp.f32.i32(float 1.0, i32 3)
  store volatile float %one.three, ptr addrspace(1) undef

  %one.negone = call float @llvm.ldexp.f32.i32(float 1.0, i32 -1)
  store volatile float %one.negone, ptr addrspace(1) undef

  %one.min.exp = call float @llvm.ldexp.f32.i32(float 1.0, i32 -126)
  store volatile float %one.min.exp, ptr addrspace(1) undef

  %one.min.exp.sub1 = call float @llvm.ldexp.f32.i32(float 1.0, i32 -127)
  store volatile float %one.min.exp.sub1, ptr addrspace(1) undef

  %one.max.exp = call float @llvm.ldexp.f32.i32(float 1.0, i32 127)
  store volatile float %one.max.exp, ptr addrspace(1) undef

  %one.max.exp.plus1 = call float @llvm.ldexp.f32.i32(float 1.0, i32 128)
  store volatile float %one.max.exp.plus1, ptr addrspace(1) undef

  %neg.one.one = call float @llvm.ldexp.f32.i32(float -1.0, i32 1)
  store volatile float %neg.one.one, ptr addrspace(1) undef

  %neg.one.two = call float @llvm.ldexp.f32.i32(float -1.0, i32 2)
  store volatile float %neg.one.two, ptr addrspace(1) undef

  %neg.one.three = call float @llvm.ldexp.f32.i32(float -1.0, i32 3)
  store volatile float %neg.one.three, ptr addrspace(1) undef

  %neg.one.negone = call float @llvm.ldexp.f32.i32(float -1.0, i32 -1)
  store volatile float %neg.one.negone, ptr addrspace(1) undef

  %neg.one.min.exp = call float @llvm.ldexp.f32.i32(float -1.0, i32 -126)
  store volatile float %neg.one.min.exp, ptr addrspace(1) undef

  %neg.one.min.exp.sub1 = call float @llvm.ldexp.f32.i32(float -1.0, i32 -127)
  store volatile float %neg.one.min.exp.sub1, ptr addrspace(1) undef

  %neg.one.max.exp = call float @llvm.ldexp.f32.i32(float -1.0, i32 127)
  store volatile float %neg.one.max.exp, ptr addrspace(1) undef

  %neg.one.max.exp.plus1 = call float @llvm.ldexp.f32.i32(float -1.0, i32 128)
  store volatile float %neg.one.max.exp.plus1, ptr addrspace(1) undef

  %fortytwo.seven = call float @llvm.ldexp.f32.i32(float 42.0, i32 73)
  store volatile float %fortytwo.seven, ptr addrspace(1) undef

  ret void
}

; Technically we should probably flush these depending on the expected
; denormal mode of the function, but no other IR constant folding
; considers this.
define void @ldexp_f32_denormal() {
; CHECK-LABEL: @ldexp_f32_denormal(
; CHECK-NEXT:    store volatile float 0x380FFFFFC0000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    store volatile float 0x381FFFFFC0000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %denormal.0 = call float @llvm.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 0)
  store volatile float %denormal.0, ptr addrspace(1) undef

  %denormal.1 = call float @llvm.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 1)
  store volatile float %denormal.1, ptr addrspace(1) undef

  ret void
}

define void @ldexp_f64() {
; CHECK-LABEL: @ldexp_f64(
; CHECK-NEXT:    store volatile double 2.000000e+00, ptr addrspace(1) undef, align 8
; CHECK-NEXT:    store volatile double 4.000000e+00, ptr addrspace(1) undef, align 8
; CHECK-NEXT:    store volatile double 0x44D5000000000000, ptr addrspace(1) undef, align 8
; CHECK-NEXT:    ret void
;
  %one.one = call double @llvm.ldexp.f64.i32(double 1.0, i32 1)
  store volatile double %one.one, ptr addrspace(1) undef

  %one.two = call double @llvm.ldexp.f64.i32(double 1.0, i32 2)
  store volatile double %one.two, ptr addrspace(1) undef

  %fortytwo.seven = call double @llvm.ldexp.f64.i32(double 42.0, i32 73)
  store volatile double %fortytwo.seven, ptr addrspace(1) undef

  ret void
}

define void @ldexp_f16() {
; CHECK-LABEL: @ldexp_f16(
; CHECK-NEXT:    store volatile half 0xH4000, ptr addrspace(1) undef, align 2
; CHECK-NEXT:    store volatile half 0xH4400, ptr addrspace(1) undef, align 2
; CHECK-NEXT:    store volatile half 0xH7C00, ptr addrspace(1) undef, align 2
; CHECK-NEXT:    ret void
;
  %one.one = call half @llvm.ldexp.f16.i32(half 1.0, i32 1)
  store volatile half %one.one, ptr addrspace(1) undef

  %one.two = call half @llvm.ldexp.f16.i32(half 1.0, i32 2)
  store volatile half %one.two, ptr addrspace(1) undef

  %fortytwo.seven = call half @llvm.ldexp.f16.i32(half 42.0, i32 73)
  store volatile half %fortytwo.seven, ptr addrspace(1) undef

  ret void
}

define void @ldexp_ppcf128() {
; CHECK-LABEL: @ldexp_ppcf128(
; CHECK-NEXT:    store volatile ppc_fp128 0xMFFF00000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT:    store volatile ppc_fp128 0xMFFFC0000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT:    store volatile ppc_fp128 0xM3FD00000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT:    store volatile ppc_fp128 0xM41700000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT:    store volatile ppc_fp128 0xMC0700000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT:    ret void
;
  %neginf = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xMFFF00000000000000000000000000000, i32 0)
  store volatile ppc_fp128 %neginf, ptr addrspace(1) undef

  %snan = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xMFFFC0000000000000000000000000000, i32 0)
  store volatile ppc_fp128 %snan, ptr addrspace(1) undef

  %one.neg2 = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xM3FF00000000000000000000000000000, i32 -2)
  store volatile ppc_fp128 %one.neg2, ptr addrspace(1) undef

  %one.24 = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xM3FF00000000000000000000000000000, i32 24)
  store volatile ppc_fp128 %one.24, ptr addrspace(1) undef

  %negone.8 = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xMBFF00000000000000000000000000000, i32 8)
  store volatile ppc_fp128 %negone.8, ptr addrspace(1) undef

  ret void
}

define void @constant_fold_ldexp_f32_val_strictfp(i32 %y) #0 {
; CHECK-LABEL: @constant_fold_ldexp_f32_val_strictfp(
; CHECK-NEXT:    [[SNAN_MAY_TRAP:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 3, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[SNAN_MAY_TRAP]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[SNAN_MAY_NOT_TRAP:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 3, metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[SNAN_MAY_NOT_TRAP]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[UNKNOWN_ROUNDING:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.500000e+00, i32 42, metadata !"round.dynamic", metadata !"fpexcept.ignore") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[UNKNOWN_ROUNDING]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[NORMAL:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.500000e+00, i32 42, metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[NORMAL]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    [[NORMAL_DOWN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.500000e+00, i32 42, metadata !"round.downward", metadata !"fpexcept.ignore") #[[ATTR0]]
; CHECK-NEXT:    store volatile float [[NORMAL_DOWN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT:    ret void
;
  %snan.may.trap = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 3, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
  store volatile float %snan.may.trap, ptr addrspace(1) undef

  %snan.may.not.trap = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 3, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
  store volatile float %snan.may.not.trap, ptr addrspace(1) undef

  %unknown.rounding = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.5, i32 42, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
  store volatile float %unknown.rounding, ptr addrspace(1) undef

  %normal = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.5, i32 42, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
  store volatile float %normal, ptr addrspace(1) undef

  %normal.down = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.5, i32 42, metadata !"round.downward", metadata !"fpexcept.ignore") #0
  store volatile float %normal.down, ptr addrspace(1) undef

  ret void
}

declare half @llvm.ldexp.f16.i32(half, i32) #1
declare float @llvm.ldexp.f32.i32(float, i32) #1
declare double @llvm.ldexp.f64.i32(double, i32) #1
declare <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float>, <2 x i32>) #1
declare float @llvm.experimental.constrained.ldexp.f32.i32(float, i32, metadata, metadata) #1
declare ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128, i32) #1

attributes #0 = { strictfp }
attributes #1 = { nounwind readnone speculatable }