[InstCombine] use FileCheck for better checking
(testing script for autogeneration of check lines) llvm-svn: 264438
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; RUN: opt < %s -instcombine -S | grep sub
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					; NOTE: Assertions have been autogenerated by update_test_checks.py
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; RUN: opt < %s -instcombine -S | grep add
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					; RUN: opt < %s -instcombine -S | FileCheck %s
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define <4 x float> @test(<4 x float> %tmp26, <4 x float> %tmp53) {
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					define <4 x float> @test(<4 x float> %tmp26, <4 x float> %tmp53) {
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        ; (X+Y)-Y != X for fp vectors.
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					        ; (X+Y)-Y != X for fp vectors.
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        %tmp64 = fadd <4 x float> %tmp26, %tmp53         ; <<4 x float>> [#uses=1]
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					; CHECK-LABEL: @test(
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        %tmp75 = fsub <4 x float> %tmp64, %tmp53         ; <<4 x float>> [#uses=1]
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					; CHECK:         [[TMP64:%.*]] = fadd <4 x float> %tmp26, %tmp53
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        ret <4 x float> %tmp75
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					; CHECK-NEXT:    [[TMP75:%.*]] = fsub <4 x float> [[TMP64]], %tmp53
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					; CHECK-NEXT:    ret <4 x float> [[TMP75]]
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					;
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					  %tmp64 = fadd <4 x float> %tmp26, %tmp53
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					  %tmp75 = fsub <4 x float> %tmp64, %tmp53
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					  ret <4 x float> %tmp75
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}
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					}
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