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llvm-project/llvm/test/CodeGen/Generic/ptr-annotate.ll

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Drop @llvm.annotation and @llvm.ptr.annotation intrinsics during codegen. The intrinsic calls are dropped, but the annotated value is propagated. Fixes PR 15253 Original patch by Zeng Bin! llvm-svn: 182387
2013-05-21 22:37:16 +08:00
; RUN: llc < %s
; PR15253
%struct.mystruct = type { i32 }
@.str = private unnamed_addr constant [4 x i8] c"sth\00", section "llvm.metadata"
@.str1 = private unnamed_addr constant [4 x i8] c"t.c\00", section "llvm.metadata"
define void @foo() {
entry:
%m = alloca i8, align 4
[Annotation] Allows annotation to carry some additional constant arguments. This allows using annotation in a much more contexts than it currently has. especially when annotation with template or constexpr. Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D88645
2020-10-26 16:58:20 +08:00
%0 = call i8* @llvm.ptr.annotation.p0i8(i8* %m, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str1, i32 0, i32 0), i32 2, i8* null)
Drop @llvm.annotation and @llvm.ptr.annotation intrinsics during codegen. The intrinsic calls are dropped, but the annotated value is propagated. Fixes PR 15253 Original patch by Zeng Bin! llvm-svn: 182387
2013-05-21 22:37:16 +08:00
store i8 1, i8* %0, align 4
ret void
}
[Annotation] Allows annotation to carry some additional constant arguments. This allows using annotation in a much more contexts than it currently has. especially when annotation with template or constexpr. Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D88645
2020-10-26 16:58:20 +08:00
declare i8* @llvm.ptr.annotation.p0i8(i8*, i8*, i8*, i32, i8*) #1