llvm/test/Transforms/InstCombine/log-pow-nofastmath.ll
2015-11-30 19:38:35 +00:00

31 lines
817 B
LLVM

; 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)