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llvm-mirror/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll
Chad Rosier eafdf66096 Revert "[Reassociate] As the expression tree is rewritten make sure the operands are"
This reverts commit r222142.  This is causing/exposing an execution-time regression
in spec2006/gcc and coremark on AArch64/A57/Ofast.

Conflicts:

	test/Transforms/Reassociate/optional-flags.ll

llvm-svn: 222398
2014-11-19 23:21:20 +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 %factor, %b
; CHECK-NEXT: fmul fast float %tmp1, %a
; CHECK-NEXT: fadd fast float %tmp2, %mul3
; 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
}