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diff 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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/Transforms/InstCombine/log-pow-nofastmath.ll	Tue Jan 26 22:53:40 2016 +0900
@@ -0,0 +1,30 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+define double @mylog(double %x, double %y) {
+entry:
+  %pow = call double @llvm.pow.f64(double %x, double %y)
+  %call = call double @log(double %pow)
+  ret double %call
+}
+
+; CHECK-LABEL: define double @mylog(
+; CHECK:   %pow = call double @llvm.pow.f64(double %x, double %y)
+; CHECK:   %call = call double @log(double %pow)
+; CHECK:   ret double %call
+; CHECK: }
+
+define double @test3(double %x) {
+  %call2 = call double @exp2(double %x)
+  %call3 = call double @log(double %call2)
+  ret double %call3
+}
+
+; CHECK-LABEL: @test3
+; CHECK:   %call2 = call double @exp2(double %x)
+; CHECK:   %call3 = call double @log(double %call2)
+; CHECK:   ret double %call3
+; CHECK: }
+
+declare double @log(double)
+declare double @exp2(double)
+declare double @llvm.pow.f64(double, double)