summaryrefslogtreecommitdiff
path: root/test/CodeGen/X86/h-registers-2.ll
blob: 16e13f839664560239147cba0f89d0a5b6c42526 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; RUN: llc < %s -march=x86 > %t
; RUN: grep {movzbl	%\[abcd\]h,} %t | count 1
; RUN: grep {shll	\$3,} %t | count 1

; Use an h register, but don't omit the explicit shift for
; non-address use(s).

define i32 @foo(i8* %x, i32 %y) nounwind {
	%t0 = lshr i32 %y, 8		; <i32> [#uses=1]
	%t1 = and i32 %t0, 255		; <i32> [#uses=2]
        %t2 = shl i32 %t1, 3
	%t3 = getelementptr i8* %x, i32 %t2		; <i8*> [#uses=1]
	store i8 77, i8* %t3, align 4
	ret i32 %t2
}