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comparison test/CodeGen/X86/red-zone.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
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-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux | FileCheck %s
2
3 ; First without noredzone.
4 ; CHECK-LABEL: f0:
5 ; CHECK: -4(%rsp)
6 ; CHECK: -4(%rsp)
7 ; CHECK: ret
8 define x86_fp80 @f0(float %f) nounwind readnone {
9 entry:
10 %0 = fpext float %f to x86_fp80 ; <x86_fp80> [#uses=1]
11 ret x86_fp80 %0
12 }
13
14 ; Then with noredzone.
15 ; CHECK-LABEL: f1:
16 ; CHECK: subq $4, %rsp
17 ; CHECK: (%rsp)
18 ; CHECK: (%rsp)
19 ; CHECK: addq $4, %rsp
20 ; CHECK: ret
21 define x86_fp80 @f1(float %f) nounwind readnone noredzone {
22 entry:
23 %0 = fpext float %f to x86_fp80 ; <x86_fp80> [#uses=1]
24 ret x86_fp80 %0
25 }