Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/loop-strength-reduce-2.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 -march=x86 -relocation-model=pic | FileCheck %s -check-prefix=PIC ; RUN: llc < %s -march=x86 -relocation-model=static | FileCheck %s -check-prefix=STATIC ; ; Make sure the common loop invariant A is hoisted up to preheader, ; since too many registers are needed to subsume it into the addressing modes. ; It's safe to sink A in when it's not pic. ; PIC: align ; PIC: movl $4, -4([[REG:%e[a-z]+]]) ; PIC: movl $5, ([[REG]]) ; PIC: addl $4, [[REG]] ; PIC: decl {{%e[[a-z]+}} ; PIC: jne ; STATIC: align ; STATIC: movl $4, -4(%ecx) ; STATIC: movl $5, (%ecx) ; STATIC: addl $4, %ecx ; STATIC: decl %eax ; STATIC: jne @A = global [16 x [16 x i32]] zeroinitializer, align 32 ; <[16 x [16 x i32]]*> [#uses=2] define void @test(i32 %row, i32 %N.in) nounwind { entry: %N = bitcast i32 %N.in to i32 ; <i32> [#uses=1] %tmp5 = icmp sgt i32 %N.in, 0 ; <i1> [#uses=1] br i1 %tmp5, label %cond_true, label %return cond_true: ; preds = %cond_true, %entry %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2] %i.0.0 = bitcast i32 %indvar to i32 ; <i32> [#uses=2] %tmp2 = add i32 %i.0.0, 1 ; <i32> [#uses=1] %tmp = getelementptr [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp2 ; <i32*> [#uses=1] store i32 4, i32* %tmp %tmp5.upgrd.1 = add i32 %i.0.0, 2 ; <i32> [#uses=1] %tmp7 = getelementptr [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp5.upgrd.1 ; <i32*> [#uses=1] store i32 5, i32* %tmp7 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1] br i1 %exitcond, label %return, label %cond_true return: ; preds = %cond_true, %entry ret void }