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f37f3d35eb
Summary: This is especially important for targets that use multiple address spaces, and commonly place global variables in address spaces other than zero. Fixes PR22383 Test Plan: New test case added: llvm-used.cu Reviewers: jingyue Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D7345 llvm-svn: 227861
9 lines
501 B
Plaintext
9 lines
501 B
Plaintext
// RUN: %clang_cc1 -emit-llvm %s -o - -fcuda-is-device -triple nvptx64-unknown-unknown | FileCheck %s
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// Make sure we emit the proper addrspacecast for llvm.used. PR22383 exposed an
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// issue where we were generating a bitcast instead of an addrspacecast.
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// CHECK: @llvm.used = appending global [1 x i8*] [i8* addrspacecast (i8 addrspace(1)* bitcast ([0 x i32] addrspace(1)* @a to i8 addrspace(1)*) to i8*)], section "llvm.metadata"
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__attribute__((device)) __attribute__((__used__)) int a[] = {};
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