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[LV] Fix missing entry in willGenerateVectors #136712

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Merged
merged 5 commits into from
Apr 23, 2025
Merged

[LV] Fix missing entry in willGenerateVectors #136712

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dafa614
[LV] Fix missing entry in willGenerateVectors
artagnon Apr 22, 2025
221e511
[LV] Add test for crash
artagnon Apr 22, 2025
ec61aa4
[LV] Generate CHECK lines for crash for completeness
artagnon Apr 22, 2025
5084647
[LV] Strip immediate UB
artagnon Apr 22, 2025
125056d
[LV] Tweak test
artagnon Apr 23, 2025
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[LV] Generate CHECK lines for crash for completeness
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@artagnon
artagnon committed Apr 22, 2025
commit ec61aa4e0c5c3531c068dff3e83318db4e5b718c
10 changes: 10 additions & 0 deletions llvm/test/Transforms/LoopVectorize/AArch64/sve2-histcnt.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -756,6 +756,16 @@ for.exit:
; The histogram operation generates vectors. This example used to crash
; due to a missing entry in a switch statement.
define void @histogram_generates_vectors_crash(ptr %data_array) {
; CHECK-LABEL: define void @histogram_generates_vectors_crash(
; CHECK-SAME: ptr [[DATA_ARRAY:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: store i1 true, ptr poison, align 1
; CHECK-NEXT: br i1 poison, label [[FOR_EXIT:%.*]], label [[FOR_BODY]]
; CHECK: for.exit:
; CHECK-NEXT: ret void
;
entry:
br label %for.body

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