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-rw-r--r--test/CodeGen/AMDGPU/captured-frame-index.ll166
1 files changed, 166 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/captured-frame-index.ll b/test/CodeGen/AMDGPU/captured-frame-index.ll
new file mode 100644
index 0000000000000..161c46b486eb9
--- /dev/null
+++ b/test/CodeGen/AMDGPU/captured-frame-index.ll
@@ -0,0 +1,166 @@
+; RUN: llc -march=amdgcn -mattr=-promote-alloca -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
+
+; GCN-LABEL: {{^}}stored_fi_to_lds:
+; GCN: s_load_dword [[LDSPTR:s[0-9]+]]
+; GCN: v_mov_b32_e32 [[ZERO1:v[0-9]+]], 0{{$}}
+; GCN: buffer_store_dword v{{[0-9]+}}, [[ZERO1]]
+; GCN: v_mov_b32_e32 [[ZERO0:v[0-9]+]], 0{{$}}
+; GCN: v_mov_b32_e32 [[VLDSPTR:v[0-9]+]], [[LDSPTR]]
+; GCN: ds_write_b32 [[VLDSPTR]], [[ZERO0]]
+define void @stored_fi_to_lds(float* addrspace(3)* %ptr) #0 {
+ %tmp = alloca float
+ store float 4.0, float *%tmp
+ store float* %tmp, float* addrspace(3)* %ptr
+ ret void
+}
+
+; Offset is applied
+; GCN-LABEL: {{^}}stored_fi_to_lds_2_small_objects:
+; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
+; GCN-DAG: buffer_store_dword v{{[0-9]+}}, [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
+; GCN-DAG: buffer_store_dword v{{[0-9]+}}, [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen offset:4{{$}}
+
+; GCN-DAG: s_load_dword [[LDSPTR:s[0-9]+]]
+
+; GCN-DAG: v_mov_b32_e32 [[VLDSPTR:v[0-9]+]], [[LDSPTR]]
+; GCN: ds_write_b32 [[VLDSPTR]], [[ZERO]]
+
+; GCN-DAG: v_mov_b32_e32 [[FI1:v[0-9]+]], 4{{$}}
+; GCN: ds_write_b32 [[VLDSPTR]], [[FI1]]
+define void @stored_fi_to_lds_2_small_objects(float* addrspace(3)* %ptr) #0 {
+ %tmp0 = alloca float
+ %tmp1 = alloca float
+ store float 4.0, float* %tmp0
+ store float 4.0, float* %tmp1
+ store volatile float* %tmp0, float* addrspace(3)* %ptr
+ store volatile float* %tmp1, float* addrspace(3)* %ptr
+ ret void
+}
+
+; Same frame index is used multiple times in the store
+; GCN-LABEL: {{^}}stored_fi_to_self:
+; GCN-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0x4d2{{$}}
+; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
+; GCN: buffer_store_dword [[K]], [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
+; GCN: buffer_store_dword [[ZERO]], [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
+define void @stored_fi_to_self() #0 {
+ %tmp = alloca i32*
+
+ ; Avoid optimizing everything out
+ store volatile i32* inttoptr (i32 1234 to i32*), i32** %tmp
+ %bitcast = bitcast i32** %tmp to i32*
+ store volatile i32* %bitcast, i32** %tmp
+ ret void
+}
+
+; GCN-LABEL: {{^}}stored_fi_to_self_offset:
+; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
+; GCN-DAG: v_mov_b32_e32 [[K0:v[0-9]+]], 32{{$}}
+; GCN: buffer_store_dword [[K0]], [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
+
+; GCN-DAG: v_mov_b32_e32 [[K1:v[0-9]+]], 0x4d2{{$}}
+; GCN: buffer_store_dword [[K1]], [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen offset:2048{{$}}
+
+; GCN: v_mov_b32_e32 [[OFFSETK:v[0-9]+]], 0x800{{$}}
+; GCN: buffer_store_dword [[OFFSETK]], [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen offset:2048{{$}}
+define void @stored_fi_to_self_offset() #0 {
+ %tmp0 = alloca [512 x i32]
+ %tmp1 = alloca i32*
+
+ ; Avoid optimizing everything out
+ %tmp0.cast = bitcast [512 x i32]* %tmp0 to i32*
+ store volatile i32 32, i32* %tmp0.cast
+
+ store volatile i32* inttoptr (i32 1234 to i32*), i32** %tmp1
+
+ %bitcast = bitcast i32** %tmp1 to i32*
+ store volatile i32* %bitcast, i32** %tmp1
+ ret void
+}
+
+; GCN-LABEL: {{^}}stored_fi_to_fi:
+; GCN: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
+; GCN: buffer_store_dword v{{[0-9]+}}, [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
+; GCN: buffer_store_dword v{{[0-9]+}}, [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen offset:4{{$}}
+; GCN: buffer_store_dword v{{[0-9]+}}, [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen offset:8{{$}}
+
+; GCN: v_mov_b32_e32 [[FI1:v[0-9]+]], 4{{$}}
+; GCN: buffer_store_dword [[FI1]], [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen offset:8{{$}}
+
+; GCN: v_mov_b32_e32 [[FI2:v[0-9]+]], 8{{$}}
+; GCN: buffer_store_dword [[FI2]], [[ZERO]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen offset:4{{$}}
+define void @stored_fi_to_fi() #0 {
+ %tmp0 = alloca i32*
+ %tmp1 = alloca i32*
+ %tmp2 = alloca i32*
+ store volatile i32* inttoptr (i32 1234 to i32*), i32** %tmp0
+ store volatile i32* inttoptr (i32 5678 to i32*), i32** %tmp1
+ store volatile i32* inttoptr (i32 9999 to i32*), i32** %tmp2
+
+ %bitcast1 = bitcast i32** %tmp1 to i32*
+ %bitcast2 = bitcast i32** %tmp2 to i32* ; at offset 8
+
+ store volatile i32* %bitcast1, i32** %tmp2 ; store offset 4 at offset 8
+ store volatile i32* %bitcast2, i32** %tmp1 ; store offset 8 at offset 4
+ ret void
+}
+
+; GCN-LABEL: {{^}}stored_fi_to_global:
+; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
+; GCN: v_mov_b32_e32 [[FI:v[0-9]+]], 0{{$}}
+; GCN: buffer_store_dword [[FI]]
+define void @stored_fi_to_global(float* addrspace(1)* %ptr) #0 {
+ %tmp = alloca float
+ store float 0.0, float *%tmp
+ store float* %tmp, float* addrspace(1)* %ptr
+ ret void
+}
+
+; Offset is applied
+; GCN-LABEL: {{^}}stored_fi_to_global_2_small_objects:
+; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
+; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
+; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
+
+; GCN: v_mov_b32_e32 [[FI1:v[0-9]+]], 4{{$}}
+; GCN: buffer_store_dword [[FI1]], off, s{{\[[0-9]+:[0-9]+\]}}, 0{{$}}
+
+; GCN-DAG: v_mov_b32_e32 [[FI2:v[0-9]+]], 8{{$}}
+; GCN: buffer_store_dword [[FI2]], off, s{{\[[0-9]+:[0-9]+\]}}, 0{{$}}
+define void @stored_fi_to_global_2_small_objects(float* addrspace(1)* %ptr) #0 {
+ %tmp0 = alloca float
+ %tmp1 = alloca float
+ %tmp2 = alloca float
+ store volatile float 0.0, float *%tmp0
+ store volatile float 0.0, float *%tmp1
+ store volatile float 0.0, float *%tmp2
+ store volatile float* %tmp1, float* addrspace(1)* %ptr
+ store volatile float* %tmp2, float* addrspace(1)* %ptr
+ ret void
+}
+
+; GCN-LABEL: {{^}}stored_fi_to_global_huge_frame_offset:
+; GCN: s_add_i32 [[BASE_1_OFF_0:s[0-9]+]], 0, 0x3ffc
+; GCN: v_mov_b32_e32 [[BASE_0:v[0-9]+]], 0{{$}}
+; GCN: buffer_store_dword [[BASE_0]], v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
+
+; GCN: v_mov_b32_e32 [[V_BASE_1_OFF_0:v[0-9]+]], [[BASE_1_OFF_0]]
+; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0x3e7{{$}}
+; GCN: s_add_i32 [[BASE_1_OFF_1:s[0-9]+]], 0, 56
+; GCN: buffer_store_dword [[K]], [[V_BASE_1_OFF_0]], s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen{{$}}
+
+; GCN: v_mov_b32_e32 [[V_BASE_1_OFF_1:v[0-9]+]], [[BASE_1_OFF_1]]
+; GCN: buffer_store_dword [[V_BASE_1_OFF_1]], off, s{{\[[0-9]+:[0-9]+\]}}, 0{{$}}
+define void @stored_fi_to_global_huge_frame_offset(i32* addrspace(1)* %ptr) #0 {
+ %tmp0 = alloca [4096 x i32]
+ %tmp1 = alloca [4096 x i32]
+ %gep0.tmp0 = getelementptr [4096 x i32], [4096 x i32]* %tmp0, i32 0, i32 0
+ store volatile i32 0, i32* %gep0.tmp0
+ %gep1.tmp0 = getelementptr [4096 x i32], [4096 x i32]* %tmp0, i32 0, i32 4095
+ store volatile i32 999, i32* %gep1.tmp0
+ %gep0.tmp1 = getelementptr [4096 x i32], [4096 x i32]* %tmp0, i32 0, i32 14
+ store i32* %gep0.tmp1, i32* addrspace(1)* %ptr
+ ret void
+}
+
+attributes #0 = { nounwind }
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-18 10:44:50 +0000