Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/testl-commute.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
---|---|
date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | afa8332a0e37 |
line wrap: on
line source
; 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* %P, align 4 ; <i32> [#uses=3] %1 = load 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* %P, align 4 ; <i32> [#uses=3] %1 = load 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* %P, align 4 ; <i32> [#uses=3] %1 = load 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()