22 lines
		
	
	
		
			881 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			881 B
		
	
	
	
		
			LLVM
		
	
	
	
; 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
 | 
						|
}
 |