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comparison test/CodeGen/X86/fp-elim-and-no-fp-elim.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 -mtriple x86_64-apple-darwin | FileCheck %s
2
3 define void @bar(i32 %argc) #0 {
4 ; CHECK-LABEL: bar:
5 ; CHECK: pushq %rbp
6 entry:
7 %conv = sitofp i32 %argc to double
8 %mul = fmul double %conv, 3.792700e+01
9 %conv1 = fptrunc double %mul to float
10 %div = fdiv double 9.273700e+02, %conv
11 %conv3 = fptrunc double %div to float
12 tail call void @foo(float %conv1, float %conv3)
13 ret void
14 }
15
16 define void @qux(i32 %argc) #1 {
17 ; CHECK-LABEL: qux:
18 ; CHECK-NOT: pushq %rbp
19 entry:
20 %conv = sitofp i32 %argc to double
21 %mul = fmul double %conv, 3.792700e+01
22 %conv1 = fptrunc double %mul to float
23 %div = fdiv double 9.273700e+02, %conv
24 %conv3 = fptrunc double %div to float
25 tail call void @foo(float %conv1, float %conv3)
26 ret void
27 }
28
29 declare void @foo(float, float)
30
31 attributes #0 = { "no-frame-pointer-elim"="true" }
32 attributes #1 = { "no-frame-pointer-elim"="false" }