| ; 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" } |