The intrinsic calls are dropped, but the annotated value is propagated.
Fixes PR 15253
Original patch by Zeng Bin!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182387
91177308-0d34-0410-b5e6-
96231b3b80d8
CI->replaceAllUsesWith(ConstantInt::get(CI->getType(), 1));
break;
+ case Intrinsic::annotation:
+ case Intrinsic::ptr_annotation:
+ // Just drop the annotation, but forward the value
+ CI->replaceAllUsesWith(CI->getOperand(0));
+ break;
+
case Intrinsic::var_annotation:
break; // Strip out annotate intrinsic
setValue(&I, Res);
return 0;
}
+ case Intrinsic::annotation:
+ case Intrinsic::ptr_annotation:
+ // Drop the intrinsic, but forward the value
+ setValue(&I, getValue(I.getOperand(0)));
+ return 0;
case Intrinsic::var_annotation:
// Discard annotate attributes
return 0;
--- /dev/null
+; RUN: llc < %s
+
+; PR15253
+
+@.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 i32 @foo(i32 %a) {
+entry:
+ %0 = call i32 @llvm.annotation.i32(i32 %a, i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8]* @.str1, i32 0, i32 0), i32 2)
+ ret i32 %0
+}
+
+declare i32 @llvm.annotation.i32(i32, i8*, i8*, i32) #1
--- /dev/null
+; 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
+ %0 = call i8* @llvm.ptr.annotation.p0i8(i8* %m, i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8]* @.str1, i32 0, i32 0), i32 2)
+ store i8 1, i8* %0, align 4
+ ret void
+}
+
+declare i8* @llvm.ptr.annotation.p0i8(i8*, i8*, i8*, i32) #1