1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2 ; RUN: opt < %s -instcombine -S | FileCheck %s 3 4 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" 5 6 @hello_world = constant [13 x i8] c"hello world\0A\00" 7 8 declare void @sprintf(i8*, i8*, ...) 9 10 ; Check that a sprintf call, that would otherwise be optimized, but with 11 ; optimized out return type, doesn't crash the optimizer. 12 13 define void @test_simplify1(i8* %dst) { 14 ; CHECK-LABEL: @test_simplify1( 15 ; CHECK-NEXT: call void (i8*, i8*, ...) @sprintf(i8* [[DST:%.*]], i8* getelementptr inbounds ([13 x i8], [13 x i8]* @hello_world, i32 0, i32 0)) 16 ; CHECK-NEXT: ret void 17 ; 18 %fmt = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0 19 call void (i8*, i8*, ...) @sprintf(i8* %dst, i8* %fmt) 20 ret void 21 } 22