Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/lea.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 | 54457678186b |
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; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s ; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s define i32 @test1(i32 %x) nounwind { %tmp1 = shl i32 %x, 3 %tmp2 = add i32 %tmp1, 7 ret i32 %tmp2 ; CHECK-LABEL: test1: ; CHECK: leal 7(,%r[[A0:di|cx]],8), %eax } ; ISel the add of -4 with a neg and use an lea for the rest of the ; arithemtic. define i32 @test2(i32 %x_offs) nounwind readnone { entry: %t0 = icmp sgt i32 %x_offs, 4 br i1 %t0, label %bb.nph, label %bb2 bb.nph: %tmp = add i32 %x_offs, -5 %tmp6 = lshr i32 %tmp, 2 %tmp7 = mul i32 %tmp6, -4 %tmp8 = add i32 %tmp7, %x_offs %tmp9 = add i32 %tmp8, -4 ret i32 %tmp9 bb2: ret i32 %x_offs ; CHECK-LABEL: test2: ; CHECK: leal -5(%r[[A0:..]]), %eax ; CHECK: andl $-4, %eax ; CHECK: negl %eax ; CHECK: leal -4(%r[[A0]],%rax), %eax }