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;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2022 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
; RUN: igc_opt -igc-custom-unsafe-opt-pass -S %s -o %t.ll
; RUN: FileCheck %s --input-file=%t.ll
; tests CustomUnsafeOptPass::visitBinaryOperatorNegateMultiply
; 0 - (x * 2) => -x * 2
define float @test1(float %x) #0 {
entry:
%0 = fmul float %x, 2.000000e+00
%1 = fsub float 0.000000e+00, %0
ret float %1
}
; CHECK-LABEL: define float @test1
; CHECK: %0 = fsub float 0.000000e+00, %x
; CHECK: %1 = fmul float %0, 2.000000e+00
; CHECK-NOT: fsub float 0.000000e+00, {{%[0-9]+}}
; CHECK: ret float %1
!IGCMetadata = !{!0}
!0 = !{!"ModuleMD", !1}
!1 = !{!"compOpt", !2}
!2 = !{!"FastRelaxedMath", i1 true}
|
