forked from OSchip/llvm-project
32 lines
1.1 KiB
LLVM
32 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -slp-vectorizer -slp-max-vf=2 -slp-min-reg-size=32 -S < %s | FileCheck %s
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; It is possible to compute the tree cost for an insertelement that does not
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; have a constant index when the index is a PHI. Check if getInsertIndex
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; returns None.
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define void @test() local_unnamed_addr {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.cond.cleanup:
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; CHECK-NEXT: unreachable
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; CHECK: for.body:
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; CHECK-NEXT: [[I:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ poison, [[FOR_BODY]] ]
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; CHECK-NEXT: [[J:%.*]] = phi i32 [ poison, [[ENTRY]] ], [ 0, [[FOR_BODY]] ]
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; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x i32> poison, i32 poison, i32 [[I]]
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; CHECK-NEXT: br i1 poison, label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
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;
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entry:
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br label %for.body
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for.cond.cleanup:
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unreachable
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for.body:
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%i = phi i32 [ 0, %entry ], [ poison, %for.body ]
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%j = phi i32 [ poison, %entry ], [ 0, %for.body ]
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%0 = insertelement <4 x i32> poison, i32 poison, i32 %i
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br i1 poison, label %for.cond.cleanup, label %for.body
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}
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