Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/shift-codegen.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | afa8332a0e37 |
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; RUN: llc < %s -relocation-model=static -march=x86 | FileCheck %s ; This should produce two shll instructions, not any lea's. target triple = "i686-apple-darwin8" @Y = weak global i32 0 ; <i32*> [#uses=1] @X = weak global i32 0 ; <i32*> [#uses=2] define void @fn1() { ; CHECK-LABEL: fn1: ; CHECK-NOT: ret ; CHECK-NOT: lea ; CHECK: shll $3 ; CHECK-NOT: lea ; CHECK: ret %tmp = load i32* @Y ; <i32> [#uses=1] %tmp1 = shl i32 %tmp, 3 ; <i32> [#uses=1] %tmp2 = load i32* @X ; <i32> [#uses=1] %tmp3 = or i32 %tmp1, %tmp2 ; <i32> [#uses=1] store i32 %tmp3, i32* @X ret void } define i32 @fn2(i32 %X, i32 %Y) { ; CHECK-LABEL: fn2: ; CHECK-NOT: ret ; CHECK-NOT: lea ; CHECK: shll $3 ; CHECK-NOT: lea ; CHECK: ret %tmp2 = shl i32 %Y, 3 ; <i32> [#uses=1] %tmp4 = or i32 %tmp2, %X ; <i32> [#uses=1] ret i32 %tmp4 }