16 lines
889 B
LLVM
16 lines
889 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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; Reproducer for a crash in computeKnownBitsFromOperator due to blindly
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; casting from llvm::Operator to ExtractElementInst. That does not work
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; if the Operator is a ConstantExpr.
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@g = global [21 x i32] zeroinitializer
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define i32 @test1(i32 %a) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[T:%.*]] = sub i32 [[A:%.*]], extractelement (<4 x i32> ptrtoint (<4 x i32*> getelementptr inbounds ([21 x i32], [21 x i32]* @g, <4 x i32> zeroinitializer, <4 x i32> <i32 1, i32 2, i32 3, i32 17>) to <4 x i32>), i32 3)
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; CHECK-NEXT: ret i32 [[T]]
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;
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%t = sub i32 %a, extractelement (<4 x i32> ptrtoint (<4 x i32 *> getelementptr inbounds ([21 x i32], [21 x i32] * @g, <4 x i32> zeroinitializer, <4 x i32> <i32 1, i32 2, i32 3, i32 17>) to <4 x i32>), i32 3)
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ret i32 %t
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}
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