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comparison test/Transforms/InstCombine/log-pow-nofastmath.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
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96:6418606d0ead 100:7d135dc70f03
1 ; RUN: opt < %s -instcombine -S | FileCheck %s
2
3 define double @mylog(double %x, double %y) {
4 entry:
5 %pow = call double @llvm.pow.f64(double %x, double %y)
6 %call = call double @log(double %pow)
7 ret double %call
8 }
9
10 ; CHECK-LABEL: define double @mylog(
11 ; CHECK: %pow = call double @llvm.pow.f64(double %x, double %y)
12 ; CHECK: %call = call double @log(double %pow)
13 ; CHECK: ret double %call
14 ; CHECK: }
15
16 define double @test3(double %x) {
17 %call2 = call double @exp2(double %x)
18 %call3 = call double @log(double %call2)
19 ret double %call3
20 }
21
22 ; CHECK-LABEL: @test3
23 ; CHECK: %call2 = call double @exp2(double %x)
24 ; CHECK: %call3 = call double @log(double %call2)
25 ; CHECK: ret double %call3
26 ; CHECK: }
27
28 declare double @log(double)
29 declare double @exp2(double)
30 declare double @llvm.pow.f64(double, double)