llvm-project/llvm/test/Transforms/Reassociate/propagate-flags.ll

15 lines
333 B
LLVM

; RUN: opt < %s -reassociate -S | FileCheck %s
; CHECK-LABEL: func
; CHECK: fmul fast double
; CHECK-NEXT: fmul fast double
; CHECK-NEXT: ret
define double @func(double %a, double %b) {
entry:
%mul1 = fmul fast double %a, %a
%mul2 = fmul fast double %b, %b
%mul3 = fmul fast double %mul1, %mul2
ret double %mul3
}