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e4bd47a0d4
For vector GEPs, CastGEPIndices can end up in an infinite recursion, because we compare the vector type to the scalar pointer type, find them different, and then try to cast a type to itself. Differential Revision: https://reviews.llvm.org/D28009 llvm-svn: 290260
41 lines
2.1 KiB
LLVM
41 lines
2.1 KiB
LLVM
; RUN: opt -instcombine -S -o - %s | FileCheck %s
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; Tests that we don't crash upon encountering a vector GEP
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%Dual = type { %Dual.72, %Partials.73 }
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%Dual.72 = type { double, %Partials }
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%Partials = type { [2 x double] }
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%Partials.73 = type { [2 x %Dual.72] }
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; Function Attrs: sspreq
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define <8 x i64*> @"julia_axpy!_65480"(%Dual* %arg1, <8 x i64> %arg2) {
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top:
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; CHECK: %VectorGep14 = getelementptr inbounds %Dual, %Dual* %arg1, <8 x i64> %arg2, i32 1, i32 0, i64 0, i32 1, i32 0, i64 0
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%VectorGep14 = getelementptr inbounds %Dual, %Dual* %arg1, <8 x i64> %arg2, i32 1, i32 0, i64 0, i32 1, i32 0, i64 0
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%0 = bitcast <8 x double*> %VectorGep14 to <8 x i64*>
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ret <8 x i64*> %0
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}
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%struct.A = type { i32, %struct.B* }
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%struct.B = type { i64, %struct.C* }
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%struct.C = type { i64 }
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@G = internal global [65 x %struct.A] zeroinitializer, align 16
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; CHECK-LABEL: @test
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; CHECK: ret <16 x i32*> getelementptr ([65 x %struct.A], [65 x %struct.A]* @G, <16 x i64> zeroinitializer, <16 x i64> <i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15, i64 16>, <16 x i32> zeroinitializer)
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define <16 x i32*> @test() {
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vector.body:
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%VectorGep = getelementptr [65 x %struct.A], [65 x %struct.A]* @G, <16 x i64> zeroinitializer, <16 x i64> <i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15, i64 16>, <16 x i32> zeroinitializer
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ret <16 x i32*> %VectorGep
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}
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; CHECK-LABEL: @test2
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; CHECK: ret <16 x i32*> getelementptr ([65 x %struct.A], [65 x %struct.A]* @G, <16 x i64> zeroinitializer, <16 x i64> <i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9,
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define <16 x i32*> @test2() {
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vector.body:
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%VectorGep = getelementptr [65 x %struct.A], [65 x %struct.A]* @G, <16 x i32> zeroinitializer, <16 x i64> <i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15, i64 16>, <16 x i32> zeroinitializer
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ret <16 x i32*> %VectorGep
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}
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