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3b360aa73f
Summary: A Copy with a source that is zeros is the same as a Set of zeros. This fixes the invariant that SrcAlign should always be non-null. Reviewers: courbet Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D73791
17 lines
498 B
LLVM
17 lines
498 B
LLVM
; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s
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%structA = type { i128 }
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@stubA = internal unnamed_addr constant %structA zeroinitializer, align 8
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; Make sure we don't hit llvm_unreachable.
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define void @test1() {
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; CHECK-LABEL: @test1
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; CHECK: ret
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entry:
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tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 undef, i8* align 8 bitcast (%structA* @stubA to i8*), i64 48, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1)
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