1; RUN: llc < %s | FileCheck %s
2; rdar://5671654
3; The loads should fold into the testl instructions, no matter how
4; the inputs are commuted.
5
6target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
7target triple = "x86_64-apple-darwin7"
8
9define i32 @test(i32* %P, i32* %G) nounwind {
10; CHECK-LABEL: test:
11; CHECK-NOT: ret
12; CHECK: testl (%{{.*}}), %{{.*}}
13; CHECK: ret
14
15entry:
16	%0 = load i32, i32* %P, align 4		; <i32> [#uses=3]
17	%1 = load i32, i32* %G, align 4		; <i32> [#uses=1]
18	%2 = and i32 %1, %0		; <i32> [#uses=1]
19	%3 = icmp eq i32 %2, 0		; <i1> [#uses=1]
20	br i1 %3, label %bb1, label %bb
21
22bb:		; preds = %entry
23	%4 = tail call i32 @bar() nounwind		; <i32> [#uses=0]
24	ret i32 %0
25
26bb1:		; preds = %entry
27	ret i32 %0
28}
29
30define i32 @test2(i32* %P, i32* %G) nounwind {
31; CHECK-LABEL: test2:
32; CHECK-NOT: ret
33; CHECK: testl (%{{.*}}), %{{.*}}
34; CHECK: ret
35
36entry:
37	%0 = load i32, i32* %P, align 4		; <i32> [#uses=3]
38	%1 = load i32, i32* %G, align 4		; <i32> [#uses=1]
39	%2 = and i32 %0, %1		; <i32> [#uses=1]
40	%3 = icmp eq i32 %2, 0		; <i1> [#uses=1]
41	br i1 %3, label %bb1, label %bb
42
43bb:		; preds = %entry
44	%4 = tail call i32 @bar() nounwind		; <i32> [#uses=0]
45	ret i32 %0
46
47bb1:		; preds = %entry
48	ret i32 %0
49}
50
51define i32 @test3(i32* %P, i32* %G) nounwind {
52; CHECK-LABEL: test3:
53; CHECK-NOT: ret
54; CHECK: testl (%{{.*}}), %{{.*}}
55; CHECK: ret
56
57entry:
58	%0 = load i32, i32* %P, align 4		; <i32> [#uses=3]
59	%1 = load i32, i32* %G, align 4		; <i32> [#uses=1]
60	%2 = and i32 %0, %1		; <i32> [#uses=1]
61	%3 = icmp eq i32 %2, 0		; <i1> [#uses=1]
62	br i1 %3, label %bb1, label %bb
63
64bb:		; preds = %entry
65	%4 = tail call i32 @bar() nounwind		; <i32> [#uses=0]
66	ret i32 %1
67
68bb1:		; preds = %entry
69	ret i32 %1
70}
71
72declare i32 @bar()
73