xref: /llvm-project/llvm/test/CodeGen/X86/2008-09-19-RegAllocBug.ll (revision deab451e7a7f2dff42097049274637052c87eabd)
1; RUN: llc < %s -mtriple=i386-apple-darwin
2; PR2808
3
4@g_3 = external global i32		; <ptr> [#uses=1]
5
6define i32 @func_4() nounwind {
7entry:
8	%0 = load i32, ptr @g_3, align 4		; <i32> [#uses=2]
9	%1 = trunc i32 %0 to i8		; <i8> [#uses=1]
10	%2 = sub i8 1, %1		; <i8> [#uses=1]
11	%3 = sext i8 %2 to i32		; <i32> [#uses=1]
12	%cmp2 = icmp ugt i32 ptrtoint (ptr @func_4 to i32), 3
13	%ext = zext i1 %cmp2 to i8
14	%c = icmp ne i8 %ext, 0
15	%s = select i1 %c, i32 0, i32 ptrtoint (ptr @func_4 to i32)
16	%ashr = ashr i32 %3, %s
17	%urem = urem i32 %0, %ashr
18	%cmp = icmp eq i32 %urem, 0
19	br i1 %cmp, label %return, label %bb4
20
21bb4:		; preds = %entry
22	ret i32 undef
23
24return:		; preds = %entry
25	ret i32 undef
26}
27