| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -simplify-libcalls -S | FileCheck %s |
| Dan Gohman | 18101d5 | 2009-08-19 00:11:12 +0000 | [diff] [blame] | 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 |