ldexp-zext.ll

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

define float @ldexp_zext(float %x, i1 %bool) {
; CHECK-LABEL: @ldexp_zext(
; CHECK-NEXT:    [[TMP1:%.*]] = select i1 [[BOOL:%.*]], float 2.000000e+00, float 1.000000e+00
; CHECK-NEXT:    [[LDEXP:%.*]] = fmul float [[TMP1]], [[X:%.*]]
; CHECK-NEXT:    ret float [[LDEXP]]
;
  %zext = zext i1 %bool to i32
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %zext)
  ret float %ldexp
}

define float @ldexp_zext_negative(float %x, i8 %y) {
; CHECK-LABEL: @ldexp_zext_negative(
; CHECK-NEXT:    [[ZEXT:%.*]] = zext i8 [[Y:%.*]] to i32
; CHECK-NEXT:    [[LDEXP:%.*]] = call float @llvm.ldexp.f32.i32(float [[X:%.*]], i32 [[ZEXT]])
; CHECK-NEXT:    ret float [[LDEXP]]
;
  %zext = zext i8 %y to i32
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %zext)
  ret float %ldexp
}