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b70e54f12d
These are uncontroversial and independent of a proposed LangRef edits (D44216). I tried to fix tests that would fold away: rL327004 rL327028 rL327030 rL327034 I'm not sure if the Reassociate tests are meaningless yet, but they probably will be as we add more folds, so if anyone has suggestions or wants to fix those, please do. Differential Revision: https://reviews.llvm.org/D44258 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@327058 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
1.2 KiB
LLVM
40 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -reassociate < %s | FileCheck %s
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define void @test1() {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[T1:%.*]] = tail call <4 x float> @blam()
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; CHECK-NEXT: [[T1_NEG:%.*]] = fsub fast <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, [[T1]]
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; CHECK-NEXT: [[T24:%.*]] = fadd fast <4 x float> [[T1_NEG]], undef
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; CHECK-NEXT: tail call void @wombat(<4 x float> [[T24]])
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; CHECK-NEXT: ret void
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;
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%t1 = tail call <4 x float> @blam()
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%t23 = fsub fast <4 x float> undef, %t1
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%t24 = fadd fast <4 x float> %t23, undef
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tail call void @wombat(<4 x float> %t24)
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ret void
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}
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define half @test2() {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: [[T15:%.*]] = fsub fast half undef, undef
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; CHECK-NEXT: [[T15_NEG:%.*]] = fsub fast half 0xH8000, [[T15]]
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; CHECK-NEXT: [[T18:%.*]] = fadd fast half [[T15_NEG]], undef
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; CHECK-NEXT: ret half [[T18]]
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;
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%t15 = fsub fast half undef, undef
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%t17 = fsub fast half undef, %t15
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%t18 = fadd fast half undef, %t17
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ret half %t18
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}
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; Function Attrs: optsize
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declare <4 x float> @blam()
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; Function Attrs: optsize
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declare void @wombat(<4 x float>)
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