48 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: not llc -march=amdgcn < %s 2>&1 | FileCheck -check-prefix=ERROR %s
 | |
| ; RUN: not llc -march=amdgcn < %s | FileCheck -check-prefix=GCN %s
 | |
| 
 | |
| declare void @llvm.memset.p5i8.i32(i8 addrspace(5)* nocapture, i8, i32, i32, i1) #1
 | |
| 
 | |
| ; ERROR: error: stack size limit exceeded (131061) in stack_size_limit_wave64
 | |
| ; GCN: ; ScratchSize: 131061
 | |
| define amdgpu_kernel void @stack_size_limit_wave64() #0 {
 | |
| entry:
 | |
|   %alloca = alloca [131057 x i8], align 1, addrspace(5)
 | |
|   %alloca.bc = bitcast [131057 x i8] addrspace(5)* %alloca to i8 addrspace(5)*
 | |
|   call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %alloca.bc, i8 9, i32 131057, i32 1, i1 true)
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; ERROR: error: stack size limit exceeded (262117) in stack_size_limit_wave32
 | |
| ; GCN: ; ScratchSize: 262117
 | |
| define amdgpu_kernel void @stack_size_limit_wave32() #1 {
 | |
| entry:
 | |
|   %alloca = alloca [262113 x i8], align 1, addrspace(5)
 | |
|   %alloca.bc = bitcast [262113 x i8] addrspace(5)* %alloca to i8 addrspace(5)*
 | |
|   call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %alloca.bc, i8 9, i32 262113, i32 1, i1 true)
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; ERROR-NOT: error:
 | |
| ; GCN: ; ScratchSize: 131056
 | |
| define amdgpu_kernel void @max_stack_size_wave64() #0 {
 | |
| entry:
 | |
|   %alloca = alloca [131052 x i8], align 1, addrspace(5)
 | |
|   %alloca.bc = bitcast [131052 x i8] addrspace(5)* %alloca to i8 addrspace(5)*
 | |
|   call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %alloca.bc, i8 9, i32 131052, i32 1, i1 true)
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; ERROR-NOT: error:
 | |
| ; GCN: ; ScratchSize: 262112
 | |
| define amdgpu_kernel void @max_stack_size_wave32() #1 {
 | |
| entry:
 | |
|   %alloca = alloca [262108 x i8], align 1, addrspace(5)
 | |
|   %alloca.bc = bitcast [262108 x i8] addrspace(5)* %alloca to i8 addrspace(5)*
 | |
|   call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %alloca.bc, i8 9, i32 262108, i32 1, i1 true)
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| attributes #0 = { "target-cpu" = "gfx900" }
 | |
| attributes #1 = { "target-cpu" = "gfx1010" }
 |