| ; 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 |
