Mercurial > hg > Members > tobaru > cbc > CbC_llvm
annotate test/CodeGen/X86/wide-integer-fold.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 | 803732b1fca8 |
rev | line source |
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0 | 1 ; RUN: llc < %s -march=x86-64 | FileCheck %s |
2 ; CHECK: movq $-65535, %rax | |
3 | |
4 ; DAGCombiner should fold this to a simple constant. | |
5 | |
6 define i64 @foo(i192 %a) nounwind { | |
7 %t = or i192 %a, -22300404916163702203072254898040925442801665 | |
8 %s = and i192 %t, -22300404916163702203072254898040929737768960 | |
9 %u = lshr i192 %s, 128 | |
10 %v = trunc i192 %u to i64 | |
11 ret i64 %v | |
12 } |