1 ; RUN: opt -data-layout=A5 -S -mtriple=amdgcn-unknown-unknown -amdgpu-promote-alloca -disable-promote-alloca-to-vector < %s | FileCheck -check-prefix=IR %s
2 ; RUN: llc -march=amdgcn -mcpu=fiji -disable-promote-alloca-to-vector < %s | FileCheck -check-prefix=ASM %s
4 ; IR-LABEL: define amdgpu_vs void @promote_alloca_shaders(i32 addrspace(1)* inreg %out, i32 addrspace(1)* inreg %in) #0 {
7 ; ASM-LABEL: {{^}}promote_alloca_shaders:
8 ; ASM: ; ScratchSize: 24
9 define amdgpu_vs void @promote_alloca_shaders(i32 addrspace(1)* inreg %out, i32 addrspace(1)* inreg %in) #0 {
11 %stack = alloca [5 x i32], align 4, addrspace(5)
12 %tmp0 = load i32, i32 addrspace(1)* %in, align 4
13 %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 %tmp0
14 store i32 4, i32 addrspace(5)* %arrayidx1, align 4
15 %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
16 %tmp1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
17 %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 %tmp1
18 store i32 5, i32 addrspace(5)* %arrayidx3, align 4
19 %arrayidx4 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 0
20 %tmp2 = load i32, i32 addrspace(5)* %arrayidx4, align 4
21 store i32 %tmp2, i32 addrspace(1)* %out, align 4
22 %arrayidx5 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 1
23 %tmp3 = load i32, i32 addrspace(5)* %arrayidx5
24 %arrayidx6 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
25 store i32 %tmp3, i32 addrspace(1)* %arrayidx6
29 ; OPT-LABEL: @promote_to_vector_call_c(
31 ; OPT: extractelement <2 x i32> %{{[0-9]+}}, i32 %in
33 ; ASM-LABEL: {{^}}promote_to_vector_call_c:
34 ; ASM-NOT: LDSByteSize
35 ; ASM: ; ScratchSize: 12
36 define void @promote_to_vector_call_c(i32 addrspace(1)* %out, i32 %in) #0 {
38 %tmp = alloca [2 x i32], addrspace(5)
39 %tmp1 = getelementptr [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 0
40 %tmp2 = getelementptr [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 1
41 store i32 0, i32 addrspace(5)* %tmp1
42 store i32 1, i32 addrspace(5)* %tmp2
43 %tmp3 = getelementptr [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 %in
44 %tmp4 = load i32, i32 addrspace(5)* %tmp3
45 %tmp5 = load volatile i32, i32 addrspace(1)* undef
46 %tmp6 = add i32 %tmp4, %tmp5
47 store i32 %tmp6, i32 addrspace(1)* %out
51 ; OPT-LABEL: @no_promote_to_lds_c(
54 ; ASM-LABEL: {{^}}no_promote_to_lds_c:
55 ; ASM-NOT: LDSByteSize
56 ; ASM: ; ScratchSize: 24
57 define void @no_promote_to_lds_c(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #0 {
59 %stack = alloca [5 x i32], align 4, addrspace(5)
60 %0 = load i32, i32 addrspace(1)* %in, align 4
61 %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 %0
62 store i32 4, i32 addrspace(5)* %arrayidx1, align 4
63 %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
64 %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
65 %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 %1
66 store i32 5, i32 addrspace(5)* %arrayidx3, align 4
67 %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 0
68 %2 = load i32, i32 addrspace(5)* %arrayidx10, align 4
69 store i32 %2, i32 addrspace(1)* %out, align 4
70 %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 1
71 %3 = load i32, i32 addrspace(5)* %arrayidx12
72 %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
73 store i32 %3, i32 addrspace(1)* %arrayidx13
77 declare i32 @foo(i32 addrspace(5)*) #0
79 ; ASM-LABEL: {{^}}call_private:
80 ; ASM: buffer_store_dword
81 ; ASM: buffer_store_dword
83 ; ASM: ScratchSize: 16400
84 define amdgpu_kernel void @call_private(i32 addrspace(1)* %out, i32 %in) #0 {
86 %tmp = alloca [2 x i32], addrspace(5)
87 %tmp1 = getelementptr [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 0
88 %tmp2 = getelementptr [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 1
89 store i32 0, i32 addrspace(5)* %tmp1
90 store i32 1, i32 addrspace(5)* %tmp2
91 %tmp3 = getelementptr [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 %in
92 %val = call i32 @foo(i32 addrspace(5)* %tmp3)
93 store i32 %val, i32 addrspace(1)* %out
97 declare i32 @llvm.amdgcn.workitem.id.x() #1
99 attributes #0 = { nounwind "amdgpu-flat-work-group-size"="64,64" }
100 attributes #1 = { nounwind readnone }