Mercurial > hg > CbC > CbC_llvm

annotate test/Transforms/InstCombine/pow-sqrt.ll @ 121:803732b1fca8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
parents 7d135dc70f03
children 3a76565eade5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 ; RUN: opt < %s -instcombine -S | FileCheck %s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
3 define double @pow_half(double %x) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 %pow = call fast double @llvm.pow.f64(double %x, double 5.000000e-01)
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
5 ret double %pow
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
8 ; CHECK-LABEL: define double @pow_half(
121
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
9 ; CHECK-NEXT: %sqrt = call fast double @sqrt(double %x) #1
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 ; CHECK-NEXT: ret double %sqrt
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
11
121
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
12 define double @pow_neghalf(double %x) {
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
13 %pow = call fast double @llvm.pow.f64(double %x, double -5.000000e-01)
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
14 ret double %pow
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
15 }
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16
121
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
17 ; CHECK-LABEL: define double @pow_neghalf(
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
18 ; CHECK-NEXT: %sqrt = call fast double @sqrt(double %x) #1
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
19 ; CHECK-NEXT: %sqrtrecip = fdiv fast double 1.000000e+00, %sqrt
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
20 ; CHECK-NEXT: ret double %sqrtrecip
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
21
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
22 declare double @llvm.pow.f64(double, double) #0
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
23
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
24 attributes #0 = { nounwind readnone speculatable }
803732b1fca8 LLVM 5.0
kono
parents: 100
diff changeset
25 attributes #1 = { nounwind readnone }