28 lines
		
	
	
		
			633 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			633 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; Check that stack alignment can be forced. Individual targets should test their
 | |
| ; specific implementation details.
 | |
| 
 | |
| ; RUN: llc < %s -stackrealign -stack-alignment=32 | FileCheck %s
 | |
| ; CHECK-LABEL: @f
 | |
| ; CHECK-LABEL: @g
 | |
| 
 | |
| define i32 @f(i8* %p) nounwind {
 | |
| entry:
 | |
|   %0 = load i8, i8* %p
 | |
|   %conv = sext i8 %0 to i32
 | |
|   ret i32 %conv
 | |
| }
 | |
| 
 | |
| define i64 @g(i32 %i) nounwind {
 | |
| entry:
 | |
|   br label %if.then
 | |
| 
 | |
| if.then:
 | |
|   %0 = alloca i8, i32 %i
 | |
|   call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 %i, i1 false)
 | |
|   %call = call i32 @f(i8* %0)
 | |
|   %conv = sext i32 %call to i64
 | |
|   ret i64 %conv
 | |
| }
 | |
| 
 | |
| declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i1) nounwind
 |