File: 2007-08-10-SignExtSubreg.ll

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llvm-toolchain-20 1%3A20.1.6-1~exp1
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- | FileCheck %s

@X = global i32 0               ; <ptr> [#uses=1]

define i32 @_Z3fooi(i32 %x)   {
; CHECK-LABEL: _Z3fooi:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    movl %eax, X
; CHECK-NEXT:    movsbl %al, %eax
; CHECK-NEXT:    retl
entry:
        store i32 %x, ptr @X, align 4
        %retval67 = trunc i32 %x to i8          ; <i8> [#uses=1]
        %retval = sext i8 %retval67 to i32
        ret i32 %retval
}