fd1d60873f
Apparently it was used to work around some issue that has been fixed. Removing it helps with high scratch usage observed in some cases due to failed alloca promotion. Reviewed By: rampitec Differential Revision: https://reviews.llvm.org/D145586
159 lines
5.0 KiB
LLVM
159 lines
5.0 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-- -passes='amdgpu-promote-alloca,sroa,instcombine' < %s | FileCheck -check-prefix=OPT %s
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; RUN: opt -S -mtriple=amdgcn-- -passes='amdgpu-promote-alloca,sroa,instcombine' -amdgpu-promote-alloca-to-vector-limit=32 < %s | FileCheck -check-prefix=LIMIT32 %s
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target datalayout = "A5"
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; OPT-LABEL: @alloca_8xi64_max1024(
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; OPT-NOT: alloca
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; OPT: <8 x i64>
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; LIMIT32: alloca
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; LIMIT32-NOT: <8 x i64>
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define amdgpu_kernel void @alloca_8xi64_max1024(ptr addrspace(1) %out, i32 %index) #0 {
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entry:
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%tmp = alloca [8 x i64], addrspace(5)
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store i64 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [8 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i64, ptr addrspace(5) %tmp1
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store i64 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @alloca_9xi64_max1024(
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; OPT: alloca [9 x i64]
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; OPT-NOT: <9 x i64>
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; LIMIT32: alloca
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; LIMIT32-NOT: <9 x i64>
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define amdgpu_kernel void @alloca_9xi64_max1024(ptr addrspace(1) %out, i32 %index) #0 {
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entry:
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%tmp = alloca [9 x i64], addrspace(5)
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store i64 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [9 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i64, ptr addrspace(5) %tmp1
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store i64 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @alloca_16xi64_max512(
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; OPT-NOT: alloca
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; OPT: <16 x i64>
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; LIMIT32: alloca
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; LIMIT32-NOT: <16 x i64>
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define amdgpu_kernel void @alloca_16xi64_max512(ptr addrspace(1) %out, i32 %index) #1 {
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entry:
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%tmp = alloca [16 x i64], addrspace(5)
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store i64 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [16 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i64, ptr addrspace(5) %tmp1
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store i64 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @alloca_17xi64_max512(
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; OPT: alloca [17 x i64]
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; OPT-NOT: <17 x i64>
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; LIMIT32: alloca
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; LIMIT32-NOT: <17 x i64>
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define amdgpu_kernel void @alloca_17xi64_max512(ptr addrspace(1) %out, i32 %index) #1 {
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entry:
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%tmp = alloca [17 x i64], addrspace(5)
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store i64 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [17 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i64, ptr addrspace(5) %tmp1
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store i64 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @alloca_9xi128_max512(
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; OPT: alloca [9 x i128]
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; OPT-NOT: <9 x i128>
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; LIMIT32: alloca
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; LIMIT32-NOT: <9 x i128>
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define amdgpu_kernel void @alloca_9xi128_max512(ptr addrspace(1) %out, i32 %index) #1 {
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entry:
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%tmp = alloca [9 x i128], addrspace(5)
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store i128 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [9 x i128], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i128, ptr addrspace(5) %tmp1
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store i128 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @alloca_9xi128_max256(
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; OPT-NOT: alloca
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; OPT: <9 x i128>
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; LIMIT32: alloca
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; LIMIT32-NOT: <9 x i128>
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define amdgpu_kernel void @alloca_9xi128_max256(ptr addrspace(1) %out, i32 %index) #2 {
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entry:
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%tmp = alloca [9 x i128], addrspace(5)
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store i128 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [9 x i128], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i128, ptr addrspace(5) %tmp1
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store i128 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @alloca_16xi128_max256(
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; OPT-NOT: alloca
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; OPT: <16 x i128>
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; LIMIT32: alloca
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; LIMIT32-NOT: <16 x i128>
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define amdgpu_kernel void @alloca_16xi128_max256(ptr addrspace(1) %out, i32 %index) #2 {
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entry:
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%tmp = alloca [16 x i128], addrspace(5)
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store i128 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [16 x i128], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i128, ptr addrspace(5) %tmp1
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store i128 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @alloca_9xi256_max256(
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; OPT: alloca [9 x i256]
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; OPT-NOT: <9 x i256>
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; LIMIT32: alloca
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; LIMIT32-NOT: <9 x i256>
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define amdgpu_kernel void @alloca_9xi256_max256(ptr addrspace(1) %out, i32 %index) #2 {
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entry:
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%tmp = alloca [9 x i256], addrspace(5)
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store i256 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [9 x i256], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i256, ptr addrspace(5) %tmp1
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store i256 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @alloca_9xi64_max256(
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; OPT-NOT: alloca
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; OPT: <9 x i64>
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; LIMIT32: alloca
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; LIMIT32-NOT: <9 x i64>
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define amdgpu_kernel void @alloca_9xi64_max256(ptr addrspace(1) %out, i32 %index) #2 {
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entry:
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%tmp = alloca [9 x i64], addrspace(5)
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store i64 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [9 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i64, ptr addrspace(5) %tmp1
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store i64 %tmp2, ptr addrspace(1) %out
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ret void
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}
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; OPT-LABEL: @func_alloca_9xi64_max256(
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; OPT-NOT: alloca
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; OPT: <9 x i64>
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; LIMIT32: alloca
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; LIMIT32-NOT: <9 x i64>
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define void @func_alloca_9xi64_max256(ptr addrspace(1) %out, i32 %index) #2 {
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entry:
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%tmp = alloca [9 x i64], addrspace(5)
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store i64 0, ptr addrspace(5) %tmp
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%tmp1 = getelementptr [9 x i64], ptr addrspace(5) %tmp, i32 0, i32 %index
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%tmp2 = load i64, ptr addrspace(5) %tmp1
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store i64 %tmp2, ptr addrspace(1) %out
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ret void
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}
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attributes #0 = { "amdgpu-flat-work-group-size"="1,1024" }
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attributes #1 = { "amdgpu-flat-work-group-size"="1,512" }
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attributes #2 = { "amdgpu-flat-work-group-size"="1,256" }
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