forked from OSchip/llvm-project
56 lines
1.9 KiB
LLVM
56 lines
1.9 KiB
LLVM
; RUN: llc < %s -mtriple=amdgcn--amdpal -mcpu=tahiti | FileCheck --check-prefix=PAL --enable-var-scope %s
|
|
|
|
; PAL: .AMDGPU.config
|
|
|
|
define amdgpu_kernel void @simple(i32 addrspace(1)* %out) {
|
|
entry:
|
|
store i32 0, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; Check code sequence for amdpal use of scratch for alloca. This is the case
|
|
; where the high half of the address comes from s_getpc.
|
|
|
|
; PAL-LABEL: {{^}}scratch:
|
|
; PAL: s_getpc_b64 s{{\[}}[[GITPTR:[0-9]+]]:
|
|
; PAL: s_mov_b32 s[[GITPTR]], s0
|
|
; PAL: s_load_dwordx4 s{{\[}}[[SCRATCHDESC:[0-9]+]]:{{[0-9]+]}}, s{{\[}}[[GITPTR]]:
|
|
; PAL: buffer_store{{.*}}, s{{\[}}[[SCRATCHDESC]]:
|
|
|
|
define amdgpu_kernel void @scratch(<2 x i32> %in, i32 %idx, i32* %out) {
|
|
entry:
|
|
%v = alloca [2 x i32]
|
|
%vv = bitcast [2 x i32]* %v to <2 x i32>*
|
|
store <2 x i32> %in, <2 x i32>* %vv
|
|
%e = getelementptr [2 x i32], [2 x i32]* %v, i32 0, i32 %idx
|
|
%x = load i32, i32* %e
|
|
store i32 %x, i32* %out
|
|
ret void
|
|
}
|
|
|
|
; Check code sequence for amdpal use of scratch for alloca. This is the case
|
|
; where the amdgpu-git-ptr-high function attribute gives the high half of the
|
|
; address to use.
|
|
; Looks like you can't do arithmetic on a filecheck variable, so we can't test
|
|
; that the s_movk_i32 is into a reg that is one more than the following
|
|
; s_mov_b32.
|
|
|
|
; PAL-LABEL: {{^}}scratch2:
|
|
; PAL: s_movk_i32 s{{[0-9]+}}, 0x1234
|
|
; PAL: s_mov_b32 s[[GITPTR:[0-9]+]], s0
|
|
; PAL: s_load_dwordx4 s{{\[}}[[SCRATCHDESC:[0-9]+]]:{{[0-9]+]}}, s{{\[}}[[GITPTR]]:
|
|
; PAL: buffer_store{{.*}}, s{{\[}}[[SCRATCHDESC]]:
|
|
|
|
define amdgpu_kernel void @scratch2(<2 x i32> %in, i32 %idx, i32* %out) #0 {
|
|
entry:
|
|
%v = alloca [2 x i32]
|
|
%vv = bitcast [2 x i32]* %v to <2 x i32>*
|
|
store <2 x i32> %in, <2 x i32>* %vv
|
|
%e = getelementptr [2 x i32], [2 x i32]* %v, i32 0, i32 %idx
|
|
%x = load i32, i32* %e
|
|
store i32 %x, i32* %out
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind "amdgpu-git-ptr-high"="0x1234" }
|