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138d429065
This allows us to ensure that 0 is never a valid pointer to a user object, and ensures that the offset is always legal without needing a register to access it. This comes at the cost of usable offsets and wasted stack space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295877 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
1.6 KiB
LLVM
47 lines
1.6 KiB
LLVM
; RUN: llc -march=amdgcn -mattr=-promote-alloca -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-promote-alloca -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; FUNC-LABEL: {{^}}load_i8_sext_private:
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; SI: buffer_load_sbyte v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offset:4{{$}}
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define void @load_i8_sext_private(i32 addrspace(1)* %out) {
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entry:
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%tmp0 = alloca i8
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%tmp1 = load i8, i8* %tmp0
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%tmp2 = sext i8 %tmp1 to i32
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store i32 %tmp2, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}load_i8_zext_private:
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; SI: buffer_load_ubyte v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offset:4{{$}}
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define void @load_i8_zext_private(i32 addrspace(1)* %out) {
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entry:
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%tmp0 = alloca i8
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%tmp1 = load i8, i8* %tmp0
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%tmp2 = zext i8 %tmp1 to i32
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store i32 %tmp2, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}load_i16_sext_private:
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; SI: buffer_load_sshort v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offset:4{{$}}
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define void @load_i16_sext_private(i32 addrspace(1)* %out) {
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entry:
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%tmp0 = alloca i16
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%tmp1 = load i16, i16* %tmp0
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%tmp2 = sext i16 %tmp1 to i32
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store i32 %tmp2, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}load_i16_zext_private:
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; SI: buffer_load_ushort v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offset:4{{$}}
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define void @load_i16_zext_private(i32 addrspace(1)* %out) {
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entry:
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%tmp0 = alloca i16
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%tmp1 = load volatile i16, i16* %tmp0
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%tmp2 = zext i16 %tmp1 to i32
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store i32 %tmp2, i32 addrspace(1)* %out
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ret void
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}
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