Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/2007-02-04-OrAddrMode.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 -march=x86 | FileCheck %s ;; This example can't fold the or into an LEA. define i32 @test(float ** %tmp2, i32 %tmp12) nounwind { ; CHECK-LABEL: test: ; CHECK-NOT: ret ; CHECK: orl $1, %{{.*}} ; CHECK: ret %tmp3 = load float** %tmp2 %tmp132 = shl i32 %tmp12, 2 ; <i32> [#uses=1] %tmp4 = bitcast float* %tmp3 to i8* ; <i8*> [#uses=1] %ctg2 = getelementptr i8* %tmp4, i32 %tmp132 ; <i8*> [#uses=1] %tmp6 = ptrtoint i8* %ctg2 to i32 ; <i32> [#uses=1] %tmp14 = or i32 %tmp6, 1 ; <i32> [#uses=1] ret i32 %tmp14 } ;; This can! define i32 @test2(i32 %a, i32 %b) nounwind { ; CHECK-LABEL: test2: ; CHECK-NOT: ret ; CHECK: leal 3(,%{{.*}},8) ; CHECK: ret %c = shl i32 %a, 3 %d = or i32 %c, 3 ret i32 %d }