24 lines
		
	
	
		
			791 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			791 B
		
	
	
	
		
			LLVM
		
	
	
	
| ;; Sparc backend can't currently handle variable allocas with
 | |
| ;; alignment greater than the stack alignment.  This code ought to
 | |
| ;; compile, but doesn't currently.
 | |
| 
 | |
| ;; RUN: not --crash llc -march=sparc < %s 2>&1 | FileCheck %s
 | |
| ;; RUN: not --crash llc -march=sparcv9 < %s 2>&1 | FileCheck %s
 | |
| ;; CHECK: ERROR: Function {{.*}} required stack re-alignment
 | |
| 
 | |
| define void @variable_alloca_with_overalignment(i32 %num) {
 | |
|   %aligned = alloca i32, align 64
 | |
|   %var_size = alloca i8, i32 %num, align 4
 | |
|   call void @foo(i32* %aligned, i8* %var_size)
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ;; Same but with the alloca itself overaligned
 | |
| define void @variable_alloca_with_overalignment_2(i32 %num) {
 | |
|   %var_size = alloca i8, i32 %num, align 64
 | |
|   call void @foo(i32* null, i8* %var_size)
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| declare void @foo(i32*, i8*);
 |