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c4786d1529
LangRef for BitCast requires that "The bit sizes of value and the destination type, ty2, must be identical". Currently verifier allows BitCast of pointer to vector of pointers so that the sizes are different. This change fixes that. Reviewers: arsenm Reviewed By: arsenm Subscribers: llvm-commits, wdng Differential Revision: https://reviews.llvm.org/D50886 llvm-svn: 340249
16 lines
823 B
LLVM
16 lines
823 B
LLVM
; RUN: not llvm-as -disable-output %s 2>&1 | FileCheck %s
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target datalayout = "e-p:32:32:32-p1:16:16:16-p2:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n8:16:32"
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; CHECK: error: invalid cast opcode for cast from '<4 x i32 addrspace(1)*>' to '<2 x i32 addrspace(2)*>'
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; The pointer in addrspace 1 of the size 16 while pointer in addrspace 2 of the size 32.
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; Converting 4 element array of pointers from addrspace 2 to 2 element array in addrspace 2
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; has the same total bit length but bitcast still does not allow conversion into
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; different addrspace.
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define <2 x i32 addrspace(2)*> @vector_illegal_bitcast_as_1_to_2(<4 x i32 addrspace(1)*> %p) {
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%cast = bitcast <4 x i32 addrspace(1)*> %p to <2 x i32 addrspace(2)*>
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ret <2 x i32 addrspace(2)*> %cast
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}
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