| ; RUN: opt < %s -simplify-libcalls -S | FileCheck %s | |
| ; PR4738 | |
| ; SimplifyLibcalls shouldn't assume anything about weak symbols. | |
| @real_init = weak_odr constant [2 x i8] c"y\00" | |
| @fake_init = weak constant [2 x i8] c"y\00" | |
| @.str = private constant [2 x i8] c"y\00" | |
| ; CHECK: define i32 @foo | |
| ; CHECK: call i32 @strcmp | |
| define i32 @foo() nounwind { | |
| entry: | |
| %t0 = call i32 @strcmp(i8* getelementptr inbounds ([2 x i8]* @fake_init, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8]* @.str, i64 0, i64 0)) nounwind readonly | |
| ret i32 %t0 | |
| } | |
| ; CHECK: define i32 @bar | |
| ; CHECK: ret i32 0 | |
| define i32 @bar() nounwind { | |
| entry: | |
| %t0 = call i32 @strcmp(i8* getelementptr inbounds ([2 x i8]* @real_init, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8]* @.str, i64 0, i64 0)) nounwind readonly | |
| ret i32 %t0 | |
| } | |
| declare i32 @strcmp(i8*, i8*) nounwind readonly |