You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.5 KiB
39 lines
1.5 KiB
4 months ago
|
; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-promote-alloca %s | FileCheck -check-prefix=OPT %s
|
||
|
|
|
||
|
|
target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5"
|
||
|
|
|
||
|
|
declare void @llvm.lifetime.start.p5i8(i64, i8 addrspace(5)* nocapture) #0
|
||
|
|
declare void @llvm.lifetime.end.p5i8(i64, i8 addrspace(5)* nocapture) #0
|
||
|
|
|
||
|
|
; OPT-LABEL: @use_lifetime_promotable_lds(
|
||
|
|
; OPT-NOT: alloca i32
|
||
|
|
; OPT-NOT: llvm.lifetime
|
||
|
|
; OPT: store i32 %tmp3, i32 addrspace(3)*
|
||
|
|
define amdgpu_kernel void @use_lifetime_promotable_lds(i32 addrspace(1)* %arg) #2 {
|
||
|
|
bb:
|
||
|
|
%tmp = alloca i32, align 4, addrspace(5)
|
||
|
|
%tmp1 = bitcast i32 addrspace(5)* %tmp to i8 addrspace(5)*
|
||
|
|
call void @llvm.lifetime.start.p5i8(i64 4, i8 addrspace(5)* %tmp1)
|
||
|
|
%tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
|
||
|
|
%tmp3 = load i32, i32 addrspace(1)* %tmp2
|
||
|
|
store i32 %tmp3, i32 addrspace(5)* %tmp
|
||
|
|
call void @llvm.lifetime.end.p5i8(i64 4, i8 addrspace(5)* %tmp1)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; After handling the alloca, the lifetime was erased. This was the
|
||
|
|
; next iterator to be checked as an alloca, crashing.
|
||
|
|
|
||
|
|
; OPT-LABEL: @iterator_erased_lifetime(
|
||
|
|
; OPT-NOT: alloca i8
|
||
|
|
define amdgpu_kernel void @iterator_erased_lifetime() {
|
||
|
|
entry:
|
||
|
|
%alloca = alloca i8, align 1, addrspace(5)
|
||
|
|
call void @llvm.lifetime.start.p5i8(i64 1, i8 addrspace(5)* %alloca)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { argmemonly nounwind }
|
||
|
|
attributes #1 = { nounwind readnone }
|
||
|
|
attributes #2 = { nounwind }
|