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4097ff94d8
RISC-V would like to use a struct of scalable vectors to return multiple values from intrinsics. This woud also be needed for target independent intrinsics like llvm.sadd.overflow. This patch removes the existing restriction for this. I've modified StructType::isSized to consider a struct containing scalable vectors as unsized so the verifier won't allow loads/stores/allocas of these structs. Reviewed By: sdesmalen Differential Revision: https://reviews.llvm.org/D94142
8 lines
176 B
LLVM
8 lines
176 B
LLVM
; RUN: not opt -S -verify < %s 2>&1 | FileCheck %s
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define void @alloca() {
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; CHECK: error: Cannot allocate unsized type
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%a = alloca { i32, <vscale x 1 x i32> }
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ret void
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}
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