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      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 
      6 target 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"
      7 target triple = "x86_64-apple-darwin7"
      8 
      9 define i32 @test(i32* %P, i32* %G) nounwind {
     10 ; CHECK-LABEL: test:
     11 ; CHECK-NOT: ret
     12 ; CHECK: testl (%{{.*}}), %{{.*}}
     13 ; CHECK: ret
     14 
     15 entry:
     16 	%0 = load i32* %P, align 4		; <i32> [#uses=3]
     17 	%1 = load 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 
     22 bb:		; preds = %entry
     23 	%4 = tail call i32 @bar() nounwind		; <i32> [#uses=0]
     24 	ret i32 %0
     25 
     26 bb1:		; preds = %entry
     27 	ret i32 %0
     28 }
     29 
     30 define i32 @test2(i32* %P, i32* %G) nounwind {
     31 ; CHECK-LABEL: test2:
     32 ; CHECK-NOT: ret
     33 ; CHECK: testl (%{{.*}}), %{{.*}}
     34 ; CHECK: ret
     35 
     36 entry:
     37 	%0 = load i32* %P, align 4		; <i32> [#uses=3]
     38 	%1 = load 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 
     43 bb:		; preds = %entry
     44 	%4 = tail call i32 @bar() nounwind		; <i32> [#uses=0]
     45 	ret i32 %0
     46 
     47 bb1:		; preds = %entry
     48 	ret i32 %0
     49 }
     50 
     51 define i32 @test3(i32* %P, i32* %G) nounwind {
     52 ; CHECK-LABEL: test3:
     53 ; CHECK-NOT: ret
     54 ; CHECK: testl (%{{.*}}), %{{.*}}
     55 ; CHECK: ret
     56 
     57 entry:
     58 	%0 = load i32* %P, align 4		; <i32> [#uses=3]
     59 	%1 = load 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 
     64 bb:		; preds = %entry
     65 	%4 = tail call i32 @bar() nounwind		; <i32> [#uses=0]
     66 	ret i32 %1
     67 
     68 bb1:		; preds = %entry
     69 	ret i32 %1
     70 }
     71 
     72 declare i32 @bar()
     73