31fd6b8eec
We started seeing a crash after 8a0bfe4905 that
the user could be scalable, meaning the typesize is scalable and an implicit
convertion to uint64_t could be performed. Protect against that by making sure
the users type is not scalable.
29 lines
1.2 KiB
LLVM
29 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=slp-vectorizer -S | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-linux-gnu"
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; Protect against a crash with scalable vector users
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define i1 @crash(i32 %a, i32 %b) {
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; CHECK-LABEL: @crash(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CONV_I446:%.*]] = sext i32 [[A:%.*]] to i64
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; CHECK-NEXT: [[CMP_I618870_NOT_NOT:%.*]] = icmp ult i64 0, [[CONV_I446]]
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; CHECK-NEXT: [[CONV_I401:%.*]] = sext i32 [[B:%.*]] to i64
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; CHECK-NEXT: [[CMP_I407876_NOT_NOT:%.*]] = icmp ult i64 0, [[CONV_I401]]
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; CHECK-NEXT: [[TMP0:%.*]] = tail call <vscale x 2 x i1> @llvm.aarch64.sve.whilelo.nxv2i1.i64(i64 0, i64 [[CONV_I401]])
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; CHECK-NEXT: [[R:%.*]] = select i1 [[CMP_I618870_NOT_NOT]], i1 [[CMP_I407876_NOT_NOT]], i1 false
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; CHECK-NEXT: ret i1 [[R]]
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;
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entry:
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%conv.i446 = sext i32 %a to i64
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%cmp.i618870.not.not = icmp ult i64 0, %conv.i446
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%conv.i401 = sext i32 %b to i64
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%cmp.i407876.not.not = icmp ult i64 0, %conv.i401
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%0 = tail call <vscale x 2 x i1> @llvm.aarch64.sve.whilelo.nxv2i1.i64(i64 0, i64 %conv.i401)
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%r = select i1 %cmp.i618870.not.not, i1 %cmp.i407876.not.not, i1 0
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ret i1 %r
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}
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