44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
; RUN: not llc -march=amdgcn < %s 2>&1 | FileCheck -check-prefix=ERROR %s
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; RUN: not llc -march=amdgcn < %s | FileCheck -check-prefix=GCN %s
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declare void @llvm.memset.p5.i32(ptr addrspace(5) nocapture, i8, i32, i32, i1) #1
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; ERROR: error: <unknown>:0:0: stack frame size (131061) exceeds limit (131056) in function 'stack_size_limit_wave64'
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; GCN: ; ScratchSize: 131061
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define amdgpu_kernel void @stack_size_limit_wave64() #0 {
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entry:
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%alloca = alloca [131057 x i8], align 1, addrspace(5)
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call void @llvm.memset.p5.i32(ptr addrspace(5) %alloca, i8 9, i32 131057, i32 1, i1 true)
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ret void
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}
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; ERROR: error: <unknown>:0:0: stack frame size (262117) exceeds limit (262112) in function 'stack_size_limit_wave32'
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; GCN: ; ScratchSize: 262117
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define amdgpu_kernel void @stack_size_limit_wave32() #1 {
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entry:
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%alloca = alloca [262113 x i8], align 1, addrspace(5)
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call void @llvm.memset.p5.i32(ptr addrspace(5) %alloca, i8 9, i32 262113, i32 1, i1 true)
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ret void
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}
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; ERROR-NOT: error:
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; GCN: ; ScratchSize: 131056
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define amdgpu_kernel void @max_stack_size_wave64() #0 {
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entry:
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%alloca = alloca [131052 x i8], align 1, addrspace(5)
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call void @llvm.memset.p5.i32(ptr addrspace(5) %alloca, i8 9, i32 131052, i32 1, i1 true)
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ret void
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}
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; ERROR-NOT: error:
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; GCN: ; ScratchSize: 262112
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define amdgpu_kernel void @max_stack_size_wave32() #1 {
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entry:
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%alloca = alloca [262108 x i8], align 1, addrspace(5)
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call void @llvm.memset.p5.i32(ptr addrspace(5) %alloca, i8 9, i32 262108, i32 1, i1 true)
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ret void
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}
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attributes #0 = { "target-cpu" = "gfx900" }
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attributes #1 = { "target-cpu" = "gfx1010" }
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