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comparison test/CodeGen/X86/volatile.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
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-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -march=x86 -mattr=sse2 | grep movsd | count 5
2 ; RUN: llc < %s -march=x86 -mattr=sse2 -O0 | grep -v esp | grep movsd | count 5
3
4 @x = external global double
5
6 define void @foo() nounwind {
7 %a = load volatile double* @x
8 store volatile double 0.0, double* @x
9 store volatile double 0.0, double* @x
10 %b = load volatile double* @x
11 ret void
12 }
13
14 define void @bar() nounwind {
15 %c = load volatile double* @x
16 ret void
17 }