| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; Check if "RtLibUseGOT" works correctly when lib calls are simplified. |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| @percent_s = constant [4 x i8] c"%s\0A\00" |
| @hello_world = constant [13 x i8] c"hello world\0A\00" |
| declare i32 @printf(i8*, ...) |
| define void @printf_call() { |
| ; CHECK-LABEL: @printf_call( |
| ; CHECK-NEXT: [[PUTS:%.*]] = call i32 @puts(i8* nonnull dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i64 0, i64 0)) |
| ; CHECK-NEXT: ret void |
| ; |
| %fmt = getelementptr [4 x i8], [4 x i8]* @percent_s, i32 0, i32 0 |
| %str = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0 |
| call i32 (i8*, ...) @printf(i8* %fmt, i8* %str) |
| ret void |
| } |
| |
| ; CHECK: Function Attrs: nofree nounwind nonlazybind |
| ; CHECK-NEXT: declare noundef i32 @puts(i8* nocapture noundef readonly) |
| |
| !llvm.module.flags = !{!0} |
| !0 = !{i32 7, !"RtLibUseGOT", i32 1} |
