llvm/test/CodeGen/AMDGPU/vector-alloca-limits.ll

; RUN: opt -S -mtriple=amdgpu-- -passes='amdgpu-promote-alloca,sroa,instcombine' -amdgpu-promote-alloca-to-vector-max-regs=64 < %s | FileCheck -check-prefix=OPT %s
; RUN: opt -S -mtriple=amdgpu-- -passes='amdgpu-promote-alloca,sroa,instcombine' -amdgpu-promote-alloca-to-vector-limit=32 -amdgpu-promote-alloca-to-vector-max-regs=64 < %s | FileCheck -check-prefix=LIMIT32 %s

; OPT-LABEL: @alloca_8xi64_max1024(
; OPT-NOT: alloca
; OPT: <8 x i64>
; LIMIT32: alloca
; LIMIT32-NOT: <8 x i64>
define amdgpu_kernel void @alloca_8xi64_max1024(ptr addrspace(1) %out, i32 %index, i32 %index1) #0 {
entry:
  %tmp = alloca [8 x i64], addrspace(5)
  store i64 0, ptr addrspace(5) %tmp
  %gep0 = getelementptr [8 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index1
  store i64 1, ptr addrspace(5) %gep0
  %tmp1 = getelementptr [8 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i64, ptr addrspace(5) %tmp1
  store i64 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alloca_9xi64_max1024(
; OPT: alloca [9 x i64]
; OPT-NOT: <9 x i64>
; LIMIT32: alloca
; LIMIT32-NOT: <9 x i64>
define amdgpu_kernel void @alloca_9xi64_max1024(ptr addrspace(1) %out, i32 %index) #0 {
entry:
  %tmp = alloca [9 x i64], addrspace(5)
  store i64 0, ptr addrspace(5) %tmp
  %tmp1 = getelementptr [9 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i64, ptr addrspace(5) %tmp1
  store i64 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alloca_16xi64_max512(
; OPT-NOT: alloca
; OPT: <16 x i64>
; LIMIT32: alloca
; LIMIT32-NOT: <16 x i64>
define amdgpu_kernel void @alloca_16xi64_max512(ptr addrspace(1) %out, i32 %index, i32 %index1) #1 {
entry:
  %tmp = alloca [16 x i64], addrspace(5)
  store i64 0, ptr addrspace(5) %tmp
  %gep0 = getelementptr [8 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index1
  store i64 1, ptr addrspace(5) %gep0
  %tmp1 = getelementptr [16 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i64, ptr addrspace(5) %tmp1
  store i64 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alloca_17xi64_max512(
; OPT: alloca [17 x i64]
; OPT-NOT: <17 x i64>
; LIMIT32: alloca
; LIMIT32-NOT: <17 x i64>
define amdgpu_kernel void @alloca_17xi64_max512(ptr addrspace(1) %out, i32 %index) #1 {
entry:
  %tmp = alloca [17 x i64], addrspace(5)
  store i64 0, ptr addrspace(5) %tmp
  %tmp1 = getelementptr [17 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i64, ptr addrspace(5) %tmp1
  store i64 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alloca_9xi128_max512(
; OPT: alloca [9 x i128]
; OPT-NOT: <9 x i128>
; LIMIT32: alloca
; LIMIT32-NOT: <9 x i128>
define amdgpu_kernel void @alloca_9xi128_max512(ptr addrspace(1) %out, i32 %index) #1 {
entry:
  %tmp = alloca [9 x i128], addrspace(5)
  store i128 0, ptr addrspace(5) %tmp
  %tmp1 = getelementptr [9 x i128], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i128, ptr addrspace(5) %tmp1
  store i128 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alloca_9xi128_max256(
; OPT-NOT: alloca
; OPT: <9 x i128>
; LIMIT32: alloca
; LIMIT32-NOT: <9 x i128>
define amdgpu_kernel void @alloca_9xi128_max256(ptr addrspace(1) %out, i32 %index, i32 %index1) #2 {
entry:
  %tmp = alloca [9 x i128], addrspace(5)
  store i128 0, ptr addrspace(5) %tmp
  %gep0 = getelementptr [8 x i128], ptr addrspace(5) %tmp, i32 0, i32 %index1
  store i128 1, ptr addrspace(5) %gep0
  %tmp1 = getelementptr [9 x i128], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i128, ptr addrspace(5) %tmp1
  store i128 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alloca_16xi128_max256(
; OPT-NOT: alloca
; OPT: <16 x i128>
; LIMIT32: alloca
; LIMIT32-NOT: <16 x i128>
define amdgpu_kernel void @alloca_16xi128_max256(ptr addrspace(1) %out, i32 %index, i32 %index1) #2 {
entry:
  %tmp = alloca [16 x i128], addrspace(5)
  store i128 0, ptr addrspace(5) %tmp
  %gep0 = getelementptr [8 x i128], ptr addrspace(5) %tmp, i32 0, i32 %index1
  store i128 1, ptr addrspace(5) %gep0
  %tmp1 = getelementptr [16 x i128], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i128, ptr addrspace(5) %tmp1
  store i128 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alloca_9xi256_max256(
; OPT: alloca [9 x i256]
; OPT-NOT: <9 x i256>
; LIMIT32: alloca
; LIMIT32-NOT: <9 x i256>
define amdgpu_kernel void @alloca_9xi256_max256(ptr addrspace(1) %out, i32 %index, i32 %index1) #2 {
entry:
  %tmp = alloca [9 x i256], addrspace(5)
  store i256 0, ptr addrspace(5) %tmp
  %gep0 = getelementptr [8 x i256], ptr addrspace(5) %tmp, i32 0, i32 %index1
  store i128 1, ptr addrspace(5) %gep0
  %tmp1 = getelementptr [9 x i256], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i256, ptr addrspace(5) %tmp1
  store i256 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alloca_9xi64_max256(
; OPT-NOT: alloca
; OPT: <9 x i64>
; LIMIT32: alloca
; LIMIT32-NOT: <9 x i64>
define amdgpu_kernel void @alloca_9xi64_max256(ptr addrspace(1) %out, i32 %index, i32 %index1) #2 {
entry:
  %tmp = alloca [9 x i64], addrspace(5)
  store i64 0, ptr addrspace(5) %tmp
  %gep0 = getelementptr [8 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index1
  store i64 1, ptr addrspace(5) %gep0
  %tmp1 = getelementptr [9 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i64, ptr addrspace(5) %tmp1
  store i64 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @func_alloca_9xi64_max256(
; OPT: alloca
; OPT-NOT: <9 x i64>
; LIMIT32: alloca
; LIMIT32-NOT: <9 x i64>
define void @func_alloca_9xi64_max256(ptr addrspace(1) %out, i32 %index) #2 {
entry:
  %tmp = alloca [9 x i64], addrspace(5)
  store i64 0, ptr addrspace(5) %tmp
  %tmp1 = getelementptr [9 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i64, ptr addrspace(5) %tmp1
  store i64 %tmp2, ptr addrspace(1) %out
  ret void
}

; OPT-LABEL: @alwaysinlined_func_alloca_9xi64_max256(
; OPT-NOT: alloca
; OPT: <9 x i64>
; LIMIT32: alloca
; LIMIT32-NOT: <9 x i64>
define void @alwaysinlined_func_alloca_9xi64_max256(ptr addrspace(1) %out, i32 %index, i32 %index1) #3 {
entry:
  %tmp = alloca [9 x i64], addrspace(5)
  store i64 0, ptr addrspace(5) %tmp
  %gep0 = getelementptr [8 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index1
  store i64 1, ptr addrspace(5) %gep0
  %tmp1 = getelementptr [9 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
  %tmp2 = load i64, ptr addrspace(5) %tmp1
  store i64 %tmp2, ptr addrspace(1) %out
  ret void
}

attributes #0 = { "amdgpu-flat-work-group-size"="1,1024" }
attributes #1 = { "amdgpu-flat-work-group-size"="1,512" }
attributes #2 = { "amdgpu-flat-work-group-size"="1,256" }
attributes #3 = { alwaysinline "amdgpu-flat-work-group-size"="1,256" }