a496c8be6e
And dependent commits. Details in D150388. This reverts commit825b7f0ca5. This reverts commit7a98f084c4. This reverts commitb4a62b1fa5. This reverts commitb7836d8562. No conflicts in the code, few tests had conflicts in autogenerated CHECKs: llvm/test/CodeGen/Thumb2/mve-float32regloops.ll llvm/test/CodeGen/AMDGPU/fix-frame-reg-in-custom-csr-spills.ll Reviewed By: alexfh Differential Revision: https://reviews.llvm.org/D156381
232 lines
8.6 KiB
LLVM
232 lines
8.6 KiB
LLVM
; RUN: llc -mtriple=amdgcn--amdpal -mattr=-xnack -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SDAG,GFX8 -enable-var-scope %s
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; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx900 -mattr=-xnack -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SDAG,GFX9 -enable-var-scope %s
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; RUN: llc -global-isel -mtriple=amdgcn--amdpal -mattr=-xnack -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GISEL,GFX9 -enable-var-scope %s
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declare amdgpu_gfx float @extern_func(float) #0
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declare amdgpu_gfx float @extern_func_many_args(<64 x float>) #0
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@funcptr = external hidden unnamed_addr addrspace(4) constant ptr, align 4
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define amdgpu_gfx float @no_stack(float %arg0) #0 {
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%add = fadd float %arg0, 1.0
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ret float %add
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}
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define amdgpu_gfx float @simple_stack(float %arg0) #0 {
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%add = fadd float %arg0, %val
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ret float %add
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}
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define amdgpu_gfx float @multiple_stack(float %arg0) #0 {
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%add = fadd float %arg0, %val
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%stack2 = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack2
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%val2 = load volatile float, ptr addrspace(5) %stack2
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%add2 = fadd float %add, %val2
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ret float %add2
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}
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define amdgpu_gfx float @dynamic_stack(float %arg0) #0 {
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bb0:
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%cmp = fcmp ogt float %arg0, 0.0
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br i1 %cmp, label %bb1, label %bb2
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bb1:
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%add = fadd float %arg0, %val
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br label %bb2
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bb2:
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%res = phi float [ 0.0, %bb0 ], [ %add, %bb1 ]
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ret float %res
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}
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define amdgpu_gfx float @dynamic_stack_loop(float %arg0) #0 {
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bb0:
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br label %bb1
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bb1:
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%ctr = phi i32 [ 0, %bb0 ], [ %newctr, %bb1 ]
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%add = fadd float %arg0, %val
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%cmp = icmp sgt i32 %ctr, 0
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%newctr = sub i32 %ctr, 1
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br i1 %cmp, label %bb1, label %bb2
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bb2:
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ret float %add
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}
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define amdgpu_gfx float @no_stack_call(float %arg0) #0 {
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%res = call amdgpu_gfx float @simple_stack(float %arg0)
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ret float %res
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}
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define amdgpu_gfx float @simple_stack_call(float %arg0) #0 {
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%res = call amdgpu_gfx float @simple_stack(float %arg0)
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%add = fadd float %res, %val
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ret float %add
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}
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define amdgpu_gfx float @no_stack_extern_call(float %arg0) #0 {
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%res = call amdgpu_gfx float @extern_func(float %arg0)
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ret float %res
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}
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define amdgpu_gfx float @simple_stack_extern_call(float %arg0) #0 {
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%res = call amdgpu_gfx float @extern_func(float %arg0)
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%add = fadd float %res, %val
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ret float %add
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}
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define amdgpu_gfx float @no_stack_extern_call_many_args(<64 x float> %arg0) #0 {
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%res = call amdgpu_gfx float @extern_func_many_args(<64 x float> %arg0)
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ret float %res
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}
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define amdgpu_gfx float @no_stack_indirect_call(float %arg0) #0 {
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%fptr = load ptr, ptr addrspace(4) @funcptr
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call amdgpu_gfx void %fptr()
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ret float %arg0
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}
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define amdgpu_gfx float @simple_stack_indirect_call(float %arg0) #0 {
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%fptr = load ptr, ptr addrspace(4) @funcptr
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call amdgpu_gfx void %fptr()
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%add = fadd float %arg0, %val
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ret float %add
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}
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define amdgpu_gfx float @simple_stack_recurse(float %arg0) #0 {
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%stack = alloca float, i32 4, align 4, addrspace(5)
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store volatile float 2.0, ptr addrspace(5) %stack
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%val = load volatile float, ptr addrspace(5) %stack
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%res = call amdgpu_gfx float @simple_stack_recurse(float %arg0)
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%add = fadd float %res, %val
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ret float %add
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}
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@lds = internal addrspace(3) global [64 x float] undef
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define amdgpu_gfx float @simple_lds(float %arg0) #0 {
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%val = load float, ptr addrspace(3) @lds
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ret float %val
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}
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define amdgpu_gfx float @simple_lds_recurse(float %arg0) #0 {
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%val = load float, ptr addrspace(3) @lds
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%res = call amdgpu_gfx float @simple_lds_recurse(float %val)
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ret float %res
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}
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attributes #0 = { nounwind }
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; GCN: amdpal.pipelines:
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; GCN-NEXT: - .registers:
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; GCN-NEXT: 0x2e12 (COMPUTE_PGM_RSRC1): 0xaf01ca{{$}}
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; GCN-NEXT: 0x2e13 (COMPUTE_PGM_RSRC2): 0x8001{{$}}
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; GCN-NEXT: .shader_functions:
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; GCN-NEXT: dynamic_stack:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GCN-NEXT: .sgpr_count: 0x28{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x10{{$}}
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; SDAG-NEXT: .vgpr_count: 0x2{{$}}
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; GISEL-NEXT: .vgpr_count: 0x3{{$}}
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; GCN-NEXT: dynamic_stack_loop:
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; GCN-NEXT: .lds_size: 0{{$}}
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; SDAG-NEXT: .sgpr_count: 0x25{{$}}
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; GISEL-NEXT: .sgpr_count: 0x26{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x10{{$}}
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; SDAG-NEXT: .vgpr_count: 0x3{{$}}
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; GISEL-NEXT: .vgpr_count: 0x4{{$}}
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; GCN-NEXT: multiple_stack:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GCN-NEXT: .sgpr_count: 0x21{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x24{{$}}
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; GCN-NEXT: .vgpr_count: 0x3{{$}}
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; GCN-NEXT: no_stack:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GCN-NEXT: .sgpr_count: 0x20{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0{{$}}
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; GCN-NEXT: .vgpr_count: 0x1{{$}}
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; GCN-NEXT: no_stack_call:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GCN-NEXT: .sgpr_count: 0x25{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x10{{$}}
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; GCN-NEXT: .vgpr_count: 0x3{{$}}
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; GCN-NEXT: no_stack_extern_call:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GFX8-NEXT: .sgpr_count: 0x28{{$}}
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; GFX9-NEXT: .sgpr_count: 0x2c{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x10{{$}}
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; GCN-NEXT: .vgpr_count: 0x2c{{$}}
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; GCN-NEXT: no_stack_extern_call_many_args:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GFX8-NEXT: .sgpr_count: 0x28{{$}}
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; GFX9-NEXT: .sgpr_count: 0x2c{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x90{{$}}
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; GCN-NEXT: .vgpr_count: 0x2c{{$}}
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; GCN-NEXT: no_stack_indirect_call:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GFX8-NEXT: .sgpr_count: 0x28{{$}}
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; GFX9-NEXT: .sgpr_count: 0x2c{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x10{{$}}
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; GCN-NEXT: .vgpr_count: 0x2c{{$}}
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; GCN-NEXT: simple_lds:
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; GCN-NEXT: .lds_size: 0x100{{$}}
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; GCN-NEXT: .sgpr_count: 0x20{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0{{$}}
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; GCN-NEXT: .vgpr_count: 0x1{{$}}
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; GCN-NEXT: simple_lds_recurse:
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; GCN-NEXT: .lds_size: 0x100{{$}}
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; GCN-NEXT: .sgpr_count: 0x28{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x10{{$}}
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; GCN-NEXT: .vgpr_count: 0x2a{{$}}
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; GCN-NEXT: simple_stack:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GCN-NEXT: .sgpr_count: 0x21{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x14{{$}}
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; GCN-NEXT: .vgpr_count: 0x2{{$}}
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; GCN-NEXT: simple_stack_call:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GCN-NEXT: .sgpr_count: 0x25{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x20{{$}}
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; GCN-NEXT: .vgpr_count: 0x4{{$}}
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; GCN-NEXT: simple_stack_extern_call:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GFX8-NEXT: .sgpr_count: 0x28{{$}}
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; GFX9-NEXT: .sgpr_count: 0x2c{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x20{{$}}
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; GCN-NEXT: .vgpr_count: 0x2c{{$}}
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; GCN-NEXT: simple_stack_indirect_call:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GFX8-NEXT: .sgpr_count: 0x28{{$}}
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; GFX9-NEXT: .sgpr_count: 0x2c{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x30{{$}}
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; GCN-NEXT: .vgpr_count: 0x2c{{$}}
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; GCN-NEXT: simple_stack_recurse:
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; GCN-NEXT: .lds_size: 0{{$}}
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; GCN-NEXT: .sgpr_count: 0x28{{$}}
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; GCN-NEXT: .stack_frame_size_in_bytes: 0x20{{$}}
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; GCN-NEXT: .vgpr_count: 0x2b{{$}}
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; GCN-NEXT: ...
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