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Revert "[NFC][AMDGPU] Pre-commit clang and llvm tests for dynamic allocas" #120369

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Dec 18, 2024
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Revert "[NFC][AMDGPU] Pre-commit clang and llvm tests for dynamic allocas" #120369

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58 changes: 6 additions & 52 deletions llvm/test/CodeGen/AMDGPU/GlobalISel/dynamic-alloca-divergent.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -4,68 +4,22 @@
; ERR-NEXT: warning: Instruction selection used fallback path for kernel_dynamic_stackalloc_vgpr_align4
; ERR-NEXT: error: <unknown>:0:0: in function kernel_dynamic_stackalloc_vgpr_align4 void (ptr addrspace(1)): unsupported dynamic alloca

; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function: func_dynamic_stackalloc_vgpr_align4)
; ERR-NEXT: warning: Instruction selection used fallback path for func_dynamic_stackalloc_vgpr_align4
; ERR-NEXT: error: <unknown>:0:0: in function func_dynamic_stackalloc_vgpr_align4 void (i32): unsupported dynamic alloca

define amdgpu_kernel void @kernel_dynamic_stackalloc_vgpr_align4(ptr addrspace(1) %ptr) {
%id = call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr i32, ptr addrspace(1) %ptr, i32 %id
%n = load i32, ptr addrspace(1) %gep
%alloca = alloca i32, i32 %n, align 4, addrspace(5)
store volatile i32 123, ptr addrspace(5) %alloca
ret void
}

; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function: kernel_dynamic_stackalloc_vgpr_default_align)
; ERR-NEXT: warning: Instruction selection used fallback path for kernel_dynamic_stackalloc_vgpr_default_align
; ERR-NEXT: error: <unknown>:0:0: in function kernel_dynamic_stackalloc_vgpr_default_align void (ptr addrspace(1)): unsupported dynamic alloca

define amdgpu_kernel void @kernel_dynamic_stackalloc_vgpr_default_align(ptr addrspace(1) %ptr) {
%id = call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr i32, ptr addrspace(1) %ptr, i32 %id
%n = load i32, ptr addrspace(1) %gep
%alloca = alloca i32, i32 %n, addrspace(5)
store volatile i32 %n, ptr addrspace(5) %alloca
ret void
}

; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 64 (in function: kernel_dynamic_stackalloc_vgpr_align64)
; ERR-NEXT: warning: Instruction selection used fallback path for kernel_dynamic_stackalloc_vgpr_align64
; ERR-NEXT: error: <unknown>:0:0: in function kernel_dynamic_stackalloc_vgpr_align64 void (ptr addrspace(1)): unsupported dynamic alloca

define amdgpu_kernel void @kernel_dynamic_stackalloc_vgpr_align64(ptr addrspace(1) %ptr) {
%id = call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr i32, ptr addrspace(1) %ptr, i32 %id
%n = load i32, ptr addrspace(1) %gep
%alloca = alloca i32, i32 %n, align 64, addrspace(5)
store volatile i32 789, ptr addrspace(5) %alloca
store volatile ptr addrspace(5) %alloca, ptr addrspace(1) undef
ret void
}

; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function: func_dynamic_stackalloc_vgpr_align4)
; ERR-NEXT: warning: Instruction selection used fallback path for func_dynamic_stackalloc_vgpr_align4
; ERR-NEXT: error: <unknown>:0:0: in function func_dynamic_stackalloc_vgpr_align4 void (i32): unsupported dynamic alloca

define void @func_dynamic_stackalloc_vgpr_align4(i32 %n) {
%alloca = alloca i32, i32 %n, align 4, addrspace(5)
store volatile i32 %n, ptr addrspace(5) %alloca
ret void
}

; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function: func_dynamic_stackalloc_vgpr_default_align)
; ERR-NEXT: warning: Instruction selection used fallback path for func_dynamic_stackalloc_vgpr_default_align
; ERR-NEXT: error: <unknown>:0:0: in function func_dynamic_stackalloc_vgpr_default_align void (i32): unsupported dynamic alloca

define void @func_dynamic_stackalloc_vgpr_default_align(i32 %n) {
%alloca = alloca i32, i32 %n, addrspace(5)
store volatile i32 123, ptr addrspace(5) %alloca
ret void
}

; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 32 (in function: func_dynamic_stackalloc_vgpr_align32)
; ERR-NEXT: warning: Instruction selection used fallback path for func_dynamic_stackalloc_vgpr_align32
; ERR-NEXT: error: <unknown>:0:0: in function func_dynamic_stackalloc_vgpr_align32 void (i32): unsupported dynamic alloca

define void @func_dynamic_stackalloc_vgpr_align32(i32 %n) {
%alloca = alloca i32, i32 %n, align 32, addrspace(5)
store volatile i32 %n, ptr addrspace(5) %alloca
store volatile ptr addrspace(5) %alloca, ptr addrspace(1) undef
ret void
}

Expand Down
184 changes: 2 additions & 182 deletions llvm/test/CodeGen/AMDGPU/dynamic_stackalloc.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -5,188 +5,8 @@ target datalayout = "A5"

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define amdgpu_kernel void @test_dynamic_stackalloc_kernel_uniform(i32 %n) {
define amdgpu_kernel void @test_dynamic_stackalloc(ptr addrspace(1) %out, i32 %n) {
%alloca = alloca i32, i32 %n, addrspace(5)
store volatile i32 123, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define amdgpu_kernel void @test_dynamic_stackalloc_kernel_uniform_over_aligned(i32 %n) {
%alloca = alloca i32, i32 %n, align 128, addrspace(5)
store volatile i32 10, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define amdgpu_kernel void @test_dynamic_stackalloc_kernel_uniform_under_aligned(i32 %n) {
%alloca = alloca i32, i32 %n, align 2, addrspace(5)
store volatile i32 22, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define amdgpu_kernel void @test_dynamic_stackalloc_kernel_divergent() {
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca = alloca float, i32 %idx, addrspace(5)
store volatile i32 123, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define amdgpu_kernel void @test_dynamic_stackalloc_kernel_divergent_over_aligned() {
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca = alloca i32, i32 %idx, align 128, addrspace(5)
store volatile i32 444, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define amdgpu_kernel void @test_dynamic_stackalloc_kernel_divergent_under_aligned() {
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca = alloca i128, i32 %idx, align 2, addrspace(5)
store volatile i32 666, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca
; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca
; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define amdgpu_kernel void @test_dynamic_stackalloc_kernel_multiple_allocas(i32 %n, i32 %m) {
entry:
%cond = icmp eq i32 %n, 0
%alloca1 = alloca i32, i32 8, addrspace(5)
%alloca2 = alloca i17, i32 %n, addrspace(5)
br i1 %cond, label %bb.0, label %bb.1
bb.0:
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca3 = alloca i32, i32 %m, align 64, addrspace(5)
%alloca4 = alloca i32, i32 %idx, align 4, addrspace(5)
store volatile i32 3, ptr addrspace(5) %alloca3
store volatile i32 4, ptr addrspace(5) %alloca4
br label %bb.1
bb.1:
store volatile i32 1, ptr addrspace(5) %alloca1
store volatile i32 2, ptr addrspace(5) %alloca2
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca
; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define amdgpu_kernel void @test_dynamic_stackalloc_kernel_control_flow(i32 %n, i32 %m) {
entry:
%cond = icmp eq i32 %n, 0
br i1 %cond, label %bb.0, label %bb.1
bb.0:
%alloca2 = alloca i32, i32 %m, align 64, addrspace(5)
store volatile i32 2, ptr addrspace(5) %alloca2
br label %bb.2
bb.1:
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca1 = alloca i32, i32 %idx, align 4, addrspace(5)
store volatile i32 1, ptr addrspace(5) %alloca1
br label %bb.2
bb.2:
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define void @test_dynamic_stackalloc_device_uniform(i32 %n) {
%alloca = alloca i32, i32 %n, addrspace(5)
store volatile i32 123, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define void @test_dynamic_stackalloc_device_uniform_over_aligned(i32 %n) {
%alloca = alloca i32, i32 %n, align 128, addrspace(5)
store volatile i32 10, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define void @test_dynamic_stackalloc_device_uniform_under_aligned(i32 %n) {
%alloca = alloca i32, i32 %n, align 2, addrspace(5)
store volatile i32 22, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define void @test_dynamic_stackalloc_device_divergent() {
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca = alloca i32, i32 %idx, addrspace(5)
store volatile i32 123, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define void @test_dynamic_stackalloc_device_divergent_over_aligned() {
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca = alloca i32, i32 %idx, align 128, addrspace(5)
store volatile i32 444, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define void @test_dynamic_stackalloc_device_divergent_under_aligned() {
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca = alloca i32, i32 %idx, align 2, addrspace(5)
store volatile i32 666, ptr addrspace(5) %alloca
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca
; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca
; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define void @test_dynamic_stackalloc_device_multiple_allocas(i32 %n, i32 %m) {
entry:
%cond = icmp eq i32 %n, 0
%alloca1 = alloca i32, i32 8, addrspace(5)
%alloca2 = alloca i32, i32 %n, addrspace(5)
br i1 %cond, label %bb.0, label %bb.1
bb.0:
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca3 = alloca i32, i32 %m, align 64, addrspace(5)
%alloca4 = alloca i32, i32 %idx, align 4, addrspace(5)
store volatile i32 3, ptr addrspace(5) %alloca3
store volatile i32 4, ptr addrspace(5) %alloca4
br label %bb.1
bb.1:
store volatile i32 1, ptr addrspace(5) %alloca1
store volatile i32 2, ptr addrspace(5) %alloca2
ret void
}

; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca
; CHECK: in function test_dynamic_stackalloc{{.*}}: unsupported dynamic alloca

define void @test_dynamic_stackalloc_device_control_flow(i32 %n, i32 %m) {
entry:
%cond = icmp eq i32 %n, 0
br i1 %cond, label %bb.0, label %bb.1
bb.0:
%idx = call i32 @llvm.amdgcn.workitem.id.x()
%alloca1 = alloca i32, i32 %idx, align 4, addrspace(5)
store volatile i32 1, ptr addrspace(5) %alloca1
br label %bb.2
bb.1:
%alloca2 = alloca i32, i32 %m, align 64, addrspace(5)
store volatile i32 2, ptr addrspace(5) %alloca2
br label %bb.2
bb.2:
store volatile i32 0, ptr addrspace(5) %alloca
ret void
}
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