a201f8872a
Use a function attribute (amdgpu-dynamic-vgpr) instead of a subtarget feature, as requested in #130030.
73 lines
2.1 KiB
LLVM
73 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx1200 -stop-after=prologepilog < %s | FileCheck -check-prefix=CHECK %s
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; Make sure we use a stack pointer and allocate 112 * 4 bytes at the beginning of the stack.
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define amdgpu_cs void @amdgpu_cs() #0 {
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; CHECK-LABEL: {{^}}name: amdgpu_cs
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; CHECK: scratchReservedForDynamicVGPRs: 448
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ret void
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}
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define amdgpu_kernel void @kernel() #0 {
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; CHECK-LABEL: {{^}}name: kernel
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; CHECK: scratchReservedForDynamicVGPRs: 448
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ret void
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}
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define amdgpu_cs void @with_local() #0 {
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; CHECK-LABEL: {{^}}name: with_local
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; CHECK: scratchReservedForDynamicVGPRs: 448
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%local = alloca i32, addrspace(5)
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store volatile i8 13, ptr addrspace(5) %local
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ret void
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}
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define amdgpu_cs void @with_calls() #0 {
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; CHECK-LABEL: {{^}}name: with_calls
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; CHECK: scratchReservedForDynamicVGPRs: 448
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%local = alloca i32, addrspace(5)
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store volatile i8 15, ptr addrspace(5) %local
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call amdgpu_gfx void @callee(i32 71)
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ret void
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}
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define amdgpu_cs void @realign_stack(<32 x i32> %x) #0 {
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; CHECK-LABEL: {{^}}name: realign_stack
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; CHECK: scratchReservedForDynamicVGPRs: 512
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%v = alloca <32 x i32>, align 128, addrspace(5)
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store <32 x i32> %x, ptr addrspace(5) %v
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call amdgpu_gfx void @callee(i32 71)
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ret void
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}
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; Non-entry functions and graphics shaders can't run on a compute queue,
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; so they don't need to worry about CWSR.
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define amdgpu_gs void @amdgpu_gs() #0 {
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; CHECK-LABEL: {{^}}name: amdgpu_gs
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; CHECK: scratchReservedForDynamicVGPRs: 0
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%local = alloca i32, addrspace(5)
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store volatile i8 15, ptr addrspace(5) %local
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call amdgpu_gfx void @callee(i32 71)
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ret void
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}
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define amdgpu_gfx void @amdgpu_gfx() #0 {
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; CHECK-LABEL: {{^}}name: amdgpu_gfx
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; CHECK: scratchReservedForDynamicVGPRs: 0
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%local = alloca i32, addrspace(5)
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store volatile i8 15, ptr addrspace(5) %local
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call amdgpu_gfx void @callee(i32 71)
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ret void
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}
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define void @default() #0 {
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; CHECK-LABEL: {{^}}name: default
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; CHECK: scratchReservedForDynamicVGPRs: 0
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ret void
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}
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declare amdgpu_gfx void @callee(i32) #0
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attributes #0 = { nounwind "amdgpu-dynamic-vgpr-block-size" = "16" }
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