| ; RUN: llc < %s | FileCheck %s |
| ; rdar://5671654 |
| ; The loads should fold into the testl instructions, no matter how |
| ; the inputs are commuted. |
| |
| 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" |
| target triple = "x86_64-apple-darwin7" |
| |
| define i32 @test(i32* %P, i32* %G) nounwind { |
| ; CHECK-LABEL: test: |
| ; CHECK-NOT: ret |
| ; CHECK: testl %{{.*}}, (%{{.*}}) |
| ; CHECK: ret |
| |
| entry: |
| %0 = load i32, i32* %P, align 4 ; <i32> [#uses=3] |
| %1 = load i32, i32* %G, align 4 ; <i32> [#uses=1] |
| %2 = and i32 %1, %0 ; <i32> [#uses=1] |
| %3 = icmp eq i32 %2, 0 ; <i1> [#uses=1] |
| br i1 %3, label %bb1, label %bb |
| |
| bb: ; preds = %entry |
| %4 = tail call i32 @bar() nounwind ; <i32> [#uses=0] |
| ret i32 %0 |
| |
| bb1: ; preds = %entry |
| ret i32 %0 |
| } |
| |
| define i32 @test2(i32* %P, i32* %G) nounwind { |
| ; CHECK-LABEL: test2: |
| ; CHECK-NOT: ret |
| ; CHECK: testl %{{.*}}, (%{{.*}}) |
| ; CHECK: ret |
| |
| entry: |
| %0 = load i32, i32* %P, align 4 ; <i32> [#uses=3] |
| %1 = load i32, i32* %G, align 4 ; <i32> [#uses=1] |
| %2 = and i32 %0, %1 ; <i32> [#uses=1] |
| %3 = icmp eq i32 %2, 0 ; <i1> [#uses=1] |
| br i1 %3, label %bb1, label %bb |
| |
| bb: ; preds = %entry |
| %4 = tail call i32 @bar() nounwind ; <i32> [#uses=0] |
| ret i32 %0 |
| |
| bb1: ; preds = %entry |
| ret i32 %0 |
| } |
| |
| define i32 @test3(i32* %P, i32* %G) nounwind { |
| ; CHECK-LABEL: test3: |
| ; CHECK-NOT: ret |
| ; CHECK: testl %{{.*}}, (%{{.*}}) |
| ; CHECK: ret |
| |
| entry: |
| %0 = load i32, i32* %P, align 4 ; <i32> [#uses=3] |
| %1 = load i32, i32* %G, align 4 ; <i32> [#uses=1] |
| %2 = and i32 %0, %1 ; <i32> [#uses=1] |
| %3 = icmp eq i32 %2, 0 ; <i1> [#uses=1] |
| br i1 %3, label %bb1, label %bb |
| |
| bb: ; preds = %entry |
| %4 = tail call i32 @bar() nounwind ; <i32> [#uses=0] |
| ret i32 %1 |
| |
| bb1: ; preds = %entry |
| ret i32 %1 |
| } |
| |
| declare i32 @bar() |