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 4declare void @llvm.memset.p5i8.i32(i8 addrspace(5)* nocapture, i8, i32, i32, i1) #1 5 6; ERROR: error: stack size limit exceeded (131061) in stack_size_limit_wave64 7; GCN: ; ScratchSize: 131061 8define amdgpu_kernel void @stack_size_limit_wave64() #0 { 9entry: 10 %alloca = alloca [131057 x i8], align 1, addrspace(5) 11 %alloca.bc = bitcast [131057 x i8] addrspace(5)* %alloca to i8 addrspace(5)* 12 call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %alloca.bc, i8 9, i32 131057, i32 1, i1 true) 13 ret void 14} 15 16; ERROR: error: stack size limit exceeded (262117) in stack_size_limit_wave32 17; GCN: ; ScratchSize: 262117 18define amdgpu_kernel void @stack_size_limit_wave32() #1 { 19entry: 20 %alloca = alloca [262113 x i8], align 1, addrspace(5) 21 %alloca.bc = bitcast [262113 x i8] addrspace(5)* %alloca to i8 addrspace(5)* 22 call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %alloca.bc, i8 9, i32 262113, i32 1, i1 true) 23 ret void 24} 25 26; ERROR-NOT: error: 27; GCN: ; ScratchSize: 131056 28define amdgpu_kernel void @max_stack_size_wave64() #0 { 29entry: 30 %alloca = alloca [131052 x i8], align 1, addrspace(5) 31 %alloca.bc = bitcast [131052 x i8] addrspace(5)* %alloca to i8 addrspace(5)* 32 call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %alloca.bc, i8 9, i32 131052, i32 1, i1 true) 33 ret void 34} 35 36; ERROR-NOT: error: 37; GCN: ; ScratchSize: 262112 38define amdgpu_kernel void @max_stack_size_wave32() #1 { 39entry: 40 %alloca = alloca [262108 x i8], align 1, addrspace(5) 41 %alloca.bc = bitcast [262108 x i8] addrspace(5)* %alloca to i8 addrspace(5)* 42 call void @llvm.memset.p5i8.i32(i8 addrspace(5)* %alloca.bc, i8 9, i32 262108, i32 1, i1 true) 43 ret void 44} 45 46attributes #0 = { "target-cpu" = "gfx900" } 47attributes #1 = { "target-cpu" = "gfx1010" } 48