llvm/test/CodeGen/ARM/undef-sext.ll
2011-03-14 18:15:55 +00:00

15 lines
318 B
LLVM

; RUN: llc < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
; No need to sign-extend undef.
define i32 @t(i32* %a) nounwind {
entry:
; CHECK: t:
; CHECK: ldr r0, [r0]
; CHECK: bx lr
%0 = sext i16 undef to i32
%1 = getelementptr inbounds i32* %a, i32 %0
%2 = load i32* %1, align 4
ret i32 %2
}