llvm-6502/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll
Chad Rosier 14915fe523 [Reassociate] As the expression tree is rewritten make sure the operands are
emitted in canonical form.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222142 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-17 16:33:50 +00:00

19 lines
592 B
LLVM

; RUN: opt -reassociate %s -S | FileCheck %s
define float @foo(float %a,float %b, float %c) {
; CHECK: %mul3 = fmul float %a, %b
; CHECK-NEXT: fmul fast float %c, 2.000000e+00
; CHECK-NEXT: fadd fast float %b, %factor
; CHECK-NEXT: fmul fast float %a, %tmp1
; CHECK-NEXT: fadd fast float %mul3, %tmp2
; CHECK-NEXT: ret float
%mul1 = fmul fast float %a, %c
%mul2 = fmul fast float %a, %b
%mul3 = fmul float %a, %b
%mul4 = fmul fast float %a, %c
%add1 = fadd fast float %mul1, %mul3
%add2 = fadd fast float %mul4, %mul2
%add3 = fadd fast float %add1, %add2
ret float %add3
}