| Matt Arsenault | 9ba465a | 2017-11-14 20:33:14 +0000 | [diff] [blame] | 1 | ; RUN: not llc -march=amdgcn < %s 2>&1 | FileCheck -check-prefix=ERROR %s |
| 2 | ; RUN: not llc -march=amdgcn < %s | FileCheck -check-prefix=GCN %s |
| 3 | |
| Daniel Neilson | 1e68724 | 2018-01-19 17:13:12 +0000 | [diff] [blame] | 4 | declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i1) #1 |
| Matt Arsenault | 9ba465a | 2017-11-14 20:33:14 +0000 | [diff] [blame] | 5 | |
| 6 | ; ERROR: error: stack size limit exceeded (4294967296) in stack_size_limit |
| 7 | ; GCN: ; ScratchSize: 4294967296 |
| 8 | define amdgpu_kernel void @stack_size_limit() #0 { |
| 9 | entry: |
| 10 | %alloca = alloca [1073741823 x i32], align 4 |
| 11 | %bc = bitcast [1073741823 x i32]* %alloca to i8* |
| Daniel Neilson | 1e68724 | 2018-01-19 17:13:12 +0000 | [diff] [blame] | 12 | call void @llvm.memset.p0i8.i32(i8* %bc, i8 9, i32 1073741823, i1 true) |
| Matt Arsenault | 9ba465a | 2017-11-14 20:33:14 +0000 | [diff] [blame] | 13 | ret void |
| 14 | } |