| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| |
| @hello_world = constant [13 x i8] c"hello world\0A\00" |
| |
| declare void @sprintf(i8*, i8*, ...) |
| |
| ; Check that a sprintf call, that would otherwise be optimized, but with |
| ; optimized out return type, doesn't crash the optimizer. |
| |
| define void @test_simplify1(i8* %dst) { |
| ; CHECK-LABEL: @test_simplify1( |
| ; CHECK-NEXT: call void (i8*, i8*, ...) @sprintf(i8* [[DST:%.*]], i8* getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0)) |
| ; CHECK-NEXT: ret void |
| ; |
| %fmt = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0 |
| call void (i8*, i8*, ...) @sprintf(i8* %dst, i8* %fmt) |
| ret void |
| } |