File: 2010-11-18-SelectOfExtload.ll

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llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
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; RUN: llc < %s -march=x86 -mattr=+cmov | FileCheck %s
; Both values were being zero extended.
@u = external global i8
@s = external global i8
define i32 @foo(i1 %cond) {
; CHECK: @foo
  %u_base = load i8, i8* @u
  %u_val = zext i8 %u_base to i32
; CHECK: movzbl
; CHECK: movsbl
  %s_base = load i8, i8* @s
  %s_val = sext i8 %s_base to i32
  %val = select i1 %cond, i32 %u_val, i32 %s_val
  ret i32 %val
}