diff options
| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-02-22 21:05:25 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-02-22 21:05:25 +0000 |
| commit | 707780b420621b6c3b4b8e3e17f52634406fdf1b (patch) | |
| tree | 97c4b3259dfddd599184824427daf9dc22bad6fa /llvm/test/CodeGen/AMDGPU/extload-private.ll | |
| parent | e9bc0b5a3c7d617b29bcf93df20ba4c77c27fb94 (diff) | |
| download | bcm5719-llvm-707780b420621b6c3b4b8e3e17f52634406fdf1b.tar.gz bcm5719-llvm-707780b420621b6c3b4b8e3e17f52634406fdf1b.zip | |
AMDGPU: Always allocate emergency stack slot at offset 0
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.
llvm-svn: 295877
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/extload-private.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/extload-private.ll | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/extload-private.ll b/llvm/test/CodeGen/AMDGPU/extload-private.ll index 6cebe5f495c..505aef3258c 100644 --- a/llvm/test/CodeGen/AMDGPU/extload-private.ll +++ b/llvm/test/CodeGen/AMDGPU/extload-private.ll @@ -2,7 +2,7 @@ ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-promote-alloca -amdgpu-sroa=0 -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s ; FUNC-LABEL: {{^}}load_i8_sext_private: -; SI: buffer_load_sbyte v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+$}} +; SI: buffer_load_sbyte v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offset:4{{$}} define void @load_i8_sext_private(i32 addrspace(1)* %out) { entry: %tmp0 = alloca i8 @@ -13,7 +13,7 @@ entry: } ; FUNC-LABEL: {{^}}load_i8_zext_private: -; SI: buffer_load_ubyte v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+$}} +; SI: buffer_load_ubyte v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offset:4{{$}} define void @load_i8_zext_private(i32 addrspace(1)* %out) { entry: %tmp0 = alloca i8 @@ -24,7 +24,7 @@ entry: } ; FUNC-LABEL: {{^}}load_i16_sext_private: -; SI: buffer_load_sshort v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+$}} +; SI: buffer_load_sshort v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offset:4{{$}} define void @load_i16_sext_private(i32 addrspace(1)* %out) { entry: %tmp0 = alloca i16 @@ -35,7 +35,7 @@ entry: } ; FUNC-LABEL: {{^}}load_i16_zext_private: -; SI: buffer_load_ushort v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+$}} +; SI: buffer_load_ushort v{{[0-9]+}}, off, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offset:4{{$}} define void @load_i16_zext_private(i32 addrspace(1)* %out) { entry: %tmp0 = alloca i16 |
