Files
clang-p2996/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info.ll
Matt Arsenault 729bf9b26b AMDGPU: Enable fixed function ABI by default
Code using indirect calls is broken without this, and there isn't
really much value in supporting the old attempt to vary the argument
placement based on uses. This resulted in more argument shuffling code
anyway.

Also have the option stop implying all inputs need to be passed. This
will no rely on the amdgpu-no-* attributes to avoid passing
unnecessary values.
2021-12-04 10:49:18 -05:00

208 lines
7.4 KiB
LLVM

; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -stop-after finalize-isel -o %t.mir %s
; RUN: llc -run-pass=none -verify-machineinstrs %t.mir -o - | FileCheck %s
; Test that SIMachineFunctionInfo can be round trip serialized through
; MIR.
@lds = addrspace(3) global [512 x float] undef, align 4
; CHECK-LABEL: {{^}}name: kernel
; CHECK: machineFunctionInfo:
; CHECK-NEXT: explicitKernArgSize: 128
; CHECK-NEXT: maxKernArgAlign: 64
; CHECK-NEXT: ldsSize: 2048
; CHECK-NEXT: dynLDSAlign: 1
; CHECK-NEXT: isEntryFunction: true
; CHECK-NEXT: noSignedZerosFPMath: false
; CHECK-NEXT: memoryBound: false
; CHECK-NEXT: waveLimiter: false
; CHECK-NEXT: hasSpilledSGPRs: false
; CHECK-NEXT: hasSpilledVGPRs: false
; CHECK-NEXT: scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99'
; CHECK-NEXT: frameOffsetReg: '$fp_reg'
; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
; CHECK-NEXT: argumentInfo:
; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
; CHECK-NEXT: kernargSegmentPtr: { reg: '$sgpr4_sgpr5' }
; CHECK-NEXT: workGroupIDX: { reg: '$sgpr6' }
; CHECK-NEXT: privateSegmentWaveByteOffset: { reg: '$sgpr7' }
; CHECK-NEXT: workItemIDX: { reg: '$vgpr0' }
; CHECK-NEXT: mode:
; CHECK-NEXT: ieee: true
; CHECK-NEXT: dx10-clamp: true
; CHECK-NEXT: fp32-input-denormals: true
; CHECK-NEXT: fp32-output-denormals: true
; CHECK-NEXT: fp64-fp16-input-denormals: true
; CHECK-NEXT: fp64-fp16-output-denormals: true
; CHECK-NEXT: highBitsOf32BitAddress: 0
; CHECK-NEXT: occupancy: 10
; CHECK-NEXT: body:
define amdgpu_kernel void @kernel(i32 %arg0, i64 %arg1, <16 x i32> %arg2) {
%gep = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %arg0
store float 0.0, float addrspace(3)* %gep, align 4
ret void
}
; CHECK-LABEL: {{^}}name: ps_shader
; CHECK: machineFunctionInfo:
; CHECK-NEXT: explicitKernArgSize: 0
; CHECK-NEXT: maxKernArgAlign: 4
; CHECK-NEXT: ldsSize: 0
; CHECK-NEXT: dynLDSAlign: 1
; CHECK-NEXT: isEntryFunction: true
; CHECK-NEXT: noSignedZerosFPMath: false
; CHECK-NEXT: memoryBound: false
; CHECK-NEXT: waveLimiter: false
; CHECK-NEXT: hasSpilledSGPRs: false
; CHECK-NEXT: hasSpilledVGPRs: false
; CHECK-NEXT: scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99'
; CHECK-NEXT: frameOffsetReg: '$fp_reg'
; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
; CHECK-NEXT: argumentInfo:
; CHECK-NEXT: privateSegmentWaveByteOffset: { reg: '$sgpr3' }
; CHECK-NEXT: implicitBufferPtr: { reg: '$sgpr0_sgpr1' }
; CHECK-NEXT: mode:
; CHECK-NEXT: ieee: false
; CHECK-NEXT: dx10-clamp: true
; CHECK-NEXT: fp32-input-denormals: true
; CHECK-NEXT: fp32-output-denormals: true
; CHECK-NEXT: fp64-fp16-input-denormals: true
; CHECK-NEXT: fp64-fp16-output-denormals: true
; CHECK-NEXT: highBitsOf32BitAddress: 0
; CHECK-NEXT: occupancy: 10
; CHECK-NEXT: body:
define amdgpu_ps void @ps_shader(i32 %arg0, i32 inreg %arg1) {
ret void
}
; CHECK-LABEL: {{^}}name: function
; CHECK: machineFunctionInfo:
; CHECK-NEXT: explicitKernArgSize: 0
; CHECK-NEXT: maxKernArgAlign: 1
; CHECK-NEXT: ldsSize: 0
; CHECK-NEXT: dynLDSAlign: 1
; CHECK-NEXT: isEntryFunction: false
; CHECK-NEXT: noSignedZerosFPMath: false
; CHECK-NEXT: memoryBound: false
; CHECK-NEXT: waveLimiter: false
; CHECK-NEXT: hasSpilledSGPRs: false
; CHECK-NEXT: hasSpilledVGPRs: false
; CHECK-NEXT: scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
; CHECK-NEXT: frameOffsetReg: '$sgpr33'
; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
; CHECK-NEXT: argumentInfo:
; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
; CHECK-NEXT: dispatchPtr: { reg: '$sgpr4_sgpr5' }
; CHECK-NEXT: queuePtr: { reg: '$sgpr6_sgpr7' }
; CHECK-NEXT: dispatchID: { reg: '$sgpr10_sgpr11' }
; CHECK-NEXT: workGroupIDX: { reg: '$sgpr12' }
; CHECK-NEXT: workGroupIDY: { reg: '$sgpr13' }
; CHECK-NEXT: workGroupIDZ: { reg: '$sgpr14' }
; CHECK-NEXT: implicitArgPtr: { reg: '$sgpr8_sgpr9' }
; CHECK-NEXT: workItemIDX: { reg: '$vgpr31', mask: 1023 }
; CHECK-NEXT: workItemIDY: { reg: '$vgpr31', mask: 1047552 }
; CHECK-NEXT: workItemIDZ: { reg: '$vgpr31', mask: 1072693248 }
; CHECK-NEXT: mode:
; CHECK-NEXT: ieee: true
; CHECK-NEXT: dx10-clamp: true
; CHECK-NEXT: fp32-input-denormals: true
; CHECK-NEXT: fp32-output-denormals: true
; CHECK-NEXT: fp64-fp16-input-denormals: true
; CHECK-NEXT: fp64-fp16-output-denormals: true
; CHECK-NEXT: highBitsOf32BitAddress: 0
; CHECK-NEXT: occupancy: 10
; CHECK-NEXT: body:
define void @function() {
ret void
}
; CHECK-LABEL: {{^}}name: function_nsz
; CHECK: machineFunctionInfo:
; CHECK-NEXT: explicitKernArgSize: 0
; CHECK-NEXT: maxKernArgAlign: 1
; CHECK-NEXT: ldsSize: 0
; CHECK-NEXT: dynLDSAlign: 1
; CHECK-NEXT: isEntryFunction: false
; CHECK-NEXT: noSignedZerosFPMath: true
; CHECK-NEXT: memoryBound: false
; CHECK-NEXT: waveLimiter: false
; CHECK-NEXT: hasSpilledSGPRs: false
; CHECK-NEXT: hasSpilledVGPRs: false
; CHECK-NEXT: scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
; CHECK-NEXT: frameOffsetReg: '$sgpr33'
; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
; CHECK-NEXT: argumentInfo:
; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
; CHECK-NEXT: dispatchPtr: { reg: '$sgpr4_sgpr5' }
; CHECK-NEXT: queuePtr: { reg: '$sgpr6_sgpr7' }
; CHECK-NEXT: dispatchID: { reg: '$sgpr10_sgpr11' }
; CHECK-NEXT: workGroupIDX: { reg: '$sgpr12' }
; CHECK-NEXT: workGroupIDY: { reg: '$sgpr13' }
; CHECK-NEXT: workGroupIDZ: { reg: '$sgpr14' }
; CHECK-NEXT: implicitArgPtr: { reg: '$sgpr8_sgpr9' }
; CHECK-NEXT: workItemIDX: { reg: '$vgpr31', mask: 1023 }
; CHECK-NEXT: workItemIDY: { reg: '$vgpr31', mask: 1047552 }
; CHECK-NEXT: workItemIDZ: { reg: '$vgpr31', mask: 1072693248 }
; CHECK-NEXT: mode:
; CHECK-NEXT: ieee: true
; CHECK-NEXT: dx10-clamp: true
; CHECK-NEXT: fp32-input-denormals: true
; CHECK-NEXT: fp32-output-denormals: true
; CHECK-NEXT: fp64-fp16-input-denormals: true
; CHECK-NEXT: fp64-fp16-output-denormals: true
; CHECK-NEXT: highBitsOf32BitAddress: 0
; CHECK-NEXT: occupancy: 10
; CHECK-NEXT: body:
define void @function_nsz() #0 {
ret void
}
; CHECK-LABEL: {{^}}name: function_dx10_clamp_off
; CHECK: mode:
; CHECK-NEXT: ieee: true
; CHECK-NEXT: dx10-clamp: false
; CHECK-NEXT: fp32-input-denormals: true
; CHECK-NEXT: fp32-output-denormals: true
; CHECK-NEXT: fp64-fp16-input-denormals: true
; CHECK-NEXT: fp64-fp16-output-denormals: true
define void @function_dx10_clamp_off() #1 {
ret void
}
; CHECK-LABEL: {{^}}name: function_ieee_off
; CHECK: mode:
; CHECK-NEXT: ieee: false
; CHECK-NEXT: dx10-clamp: true
; CHECK-NEXT: fp32-input-denormals: true
; CHECK-NEXT: fp32-output-denormals: true
; CHECK-NEXT: fp64-fp16-input-denormals: true
; CHECK-NEXT: fp64-fp16-output-denormals: true
define void @function_ieee_off() #2 {
ret void
}
; CHECK-LABEL: {{^}}name: function_ieee_off_dx10_clamp_off
; CHECK: mode:
; CHECK-NEXT: ieee: false
; CHECK-NEXT: dx10-clamp: false
; CHECK-NEXT: fp32-input-denormals: true
; CHECK-NEXT: fp32-output-denormals: true
; CHECK-NEXT: fp64-fp16-input-denormals: true
; CHECK-NEXT: fp64-fp16-output-denormals: true
define void @function_ieee_off_dx10_clamp_off() #3 {
ret void
}
; CHECK-LABEL: {{^}}name: high_address_bits
; CHECK: machineFunctionInfo:
; CHECK: highBitsOf32BitAddress: 4294934528
define amdgpu_ps void @high_address_bits() #4 {
ret void
}
attributes #0 = { "no-signed-zeros-fp-math" = "true" }
attributes #1 = { "amdgpu-dx10-clamp" = "false" }
attributes #2 = { "amdgpu-ieee" = "false" }
attributes #3 = { "amdgpu-dx10-clamp" = "false" "amdgpu-ieee" = "false" }
attributes #4 = { "amdgpu-32bit-address-high-bits"="0xffff8000" }