llvm-project/llvm/test/CodeGen/X86/2010-11-18-SelectOfExtload.ll

16 lines
386 B
LLVM

; RUN: llc < %s -march=x86 | 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* @u
%u_val = zext i8 %u_base to i32
; CHECK: movzbl
; CHECK: movsbl
%s_base = load i8* @s
%s_val = sext i8 %s_base to i32
%val = select i1 %cond, i32 %u_val, i32 %s_val
ret i32 %val
}