1 ; RUN: opt < %s -simplify-libcalls -S | FileCheck %s 2 ; PR4738 3 4 ; SimplifyLibcalls shouldn't assume anything about weak symbols. 5 6 @real_init = weak_odr constant [2 x i8] c"y\00" 7 @fake_init = weak constant [2 x i8] c"y\00" 8 @.str = private constant [2 x i8] c"y\00" 9 10 ; CHECK: define i32 @foo 11 ; CHECK: call i32 @strcmp 12 define i32 @foo() nounwind { 13 entry: 14 %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 15 ret i32 %t0 16 } 17 18 ; CHECK: define i32 @bar 19 ; CHECK: ret i32 0 20 define i32 @bar() nounwind { 21 entry: 22 %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 23 ret i32 %t0 24 } 25 26 declare i32 @strcmp(i8*, i8*) nounwind readonly 27