llvm/test/Transforms/ArgumentPromotion/2008-02-01-ReturnAttrs.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt < %s -passes=argpromotion -S | FileCheck %s

define internal i32 @deref(ptr %x) nounwind {
; CHECK-LABEL: define {{[^@]+}}@deref
; CHECK-SAME: (i32 [[X_0_VAL:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret i32 [[X_0_VAL]]
;
entry:
  %temp2 = load i32, ptr %x, align 4
  ret i32 %temp2
}

define i32 @f(i32 %x) {
; CHECK-LABEL: define {{[^@]+}}@f
; CHECK-SAME: (i32 [[X:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[X_ADDR:%.*]] = alloca i32, align 4
; CHECK-NEXT:    store i32 [[X]], ptr [[X_ADDR]], align 4
; CHECK-NEXT:    [[X_ADDR_VAL:%.*]] = load i32, ptr [[X_ADDR]], align 4
; CHECK-NEXT:    [[TEMP1:%.*]] = call i32 @deref(i32 [[X_ADDR_VAL]])
; CHECK-NEXT:    ret i32 [[TEMP1]]
;
entry:
  %x_addr = alloca i32
  store i32 %x, ptr %x_addr, align 4
  %temp1 = call i32 @deref( ptr %x_addr ) nounwind
  ret i32 %temp1
}