define internal fastcc i32 @Callee(i32 %i) nounwind {
entry:
-; CHECK: Callee:
+; CHECK-LABEL: Callee:
+; CHECK: push
+; CHECK: mov r4, sp
+; CHECK: sub.w [[R12:r[0-9]+]], r4, #1000
+; CHECK: mov sp, [[R12]]
%0 = icmp eq i32 %i, 0 ; <i1> [#uses=1]
br i1 %0, label %bb2, label %bb
bb: ; preds = %entry
%1 = alloca [1000 x i8], align 4 ; <[1000 x i8]*> [#uses=1]
- %.sub = getelementptr inbounds [1000 x i8]* %1, i32 0, i32 0 ; <i8*> [#uses=2]
- %2 = call i32 (i8*, i32, i32, i8*, ...)* @__sprintf_chk(i8* %.sub, i32 0, i32 1000, i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32 %i) nounwind ; <i32> [#uses=0]
- %3 = load i8* %.sub, align 4 ; <i8> [#uses=1]
+ %.sub = getelementptr inbounds [1000 x i8], [1000 x i8]* %1, i32 0, i32 0 ; <i8*> [#uses=2]
+ %2 = call i32 (i8*, i32, i32, i8*, ...)* @__sprintf_chk(i8* %.sub, i32 0, i32 1000, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %i) nounwind ; <i32> [#uses=0]
+ %3 = load i8, i8* %.sub, align 4 ; <i8> [#uses=1]
%4 = sext i8 %3 to i32 ; <i32> [#uses=1]
ret i32 %4
bb2: ; preds = %entry
-; Must restore sp from fp here
-; CHECK: mov sp, r7
-; CHECK: sub sp, #8
+; Must restore sp from fp here. Make sure not to leave sp in a temporarily invalid
+; state though. rdar://8465407
+; CHECK-NOT: mov sp, r7
+; CHECK: sub.w r4, r7, #8
+; CHECK: mov sp, r4
; CHECK: pop
ret i32 0
}
declare i32 @__sprintf_chk(i8*, i32, i32, i8*, ...) nounwind
define i32 @main() nounwind {
-; CHECK: main:
+; CHECK-LABEL: main:
bb.nph:
br label %bb
; CHECK-NOT: mov sp, r7
; CHECK-NOT: sub sp, #12
; CHECK: pop
- %4 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32 %2) nounwind ; <i32> [#uses=0]
+ %4 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %2) nounwind ; <i32> [#uses=0]
ret i32 0
}