26 lines
1000 B
LLVM
26 lines
1000 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -gvn -S %s | FileCheck %s
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; Reduced test case from
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; https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24278
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; Make sure we do not crash when dealing with a vector constant expression.
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define <4 x i64*> @test(i64* %ptr) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[L3:%.*]] = load i64, i64* [[PTR:%.*]], align 4
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; CHECK-NEXT: [[I6:%.*]] = insertelement <4 x i64*> getelementptr (i64, i64* null, <4 x i64> <i64 poison, i64 poison, i64 poison, i64 -128>), i64* undef, i64 [[L3]]
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; CHECK-NEXT: ret <4 x i64*> [[I6]]
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;
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entry:
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%B9 = sdiv i16 -32768, 256
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%L3 = load i64, i64* %ptr, align 4
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%B3 = sub i16 0, %B9
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%0 = insertelement <4 x i16> poison, i16 %B3, i32 3
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%1 = sub <4 x i16> zeroinitializer, %0
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%2 = sext <4 x i16> %1 to <4 x i32>
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%3 = getelementptr inbounds i64, i64* null, <4 x i32> %2
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%I6 = insertelement <4 x i64*> %3, i64* undef, i64 %L3
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ret <4 x i64*> %I6
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}
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