Files
archived-llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/interleaved-mayalias-store.ll
Matt Arsenault d706d030af AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel
Currently the default C calling convention functions are treated
the same as compute kernels. Make this explicit so the default
calling convention can be changed to a non-kernel.

Converted with perl -pi -e 's/define void/define amdgpu_kernel void/'
on the relevant test directories (and undoing in one place that actually
wanted a non-kernel).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298444 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-21 21:39:51 +00:00

29 lines
1.2 KiB
LLVM

; RUN: opt -mtriple=amdgcn-amd-amdhsa -basicaa -load-store-vectorizer -S -o - %s | FileCheck %s
target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
; This is NOT OK to vectorize, as either load may alias either store.
; CHECK: load double
; CHECK: store double 0.000000e+00, double addrspace(1)* %a,
; CHECK: load double
; CHECK: store double 0.000000e+00, double addrspace(1)* %a.idx.1
define amdgpu_kernel void @interleave(double addrspace(1)* nocapture %a, double addrspace(1)* nocapture %b, double addrspace(1)* nocapture readonly %c) #0 {
entry:
%a.idx.1 = getelementptr inbounds double, double addrspace(1)* %a, i64 1
%c.idx.1 = getelementptr inbounds double, double addrspace(1)* %c, i64 1
%ld.c = load double, double addrspace(1)* %c, align 8 ; may alias store to %a
store double 0.0, double addrspace(1)* %a, align 8
%ld.c.idx.1 = load double, double addrspace(1)* %c.idx.1, align 8 ; may alias store to %a
store double 0.0, double addrspace(1)* %a.idx.1, align 8
%add = fadd double %ld.c, %ld.c.idx.1
store double %add, double addrspace(1)* %b
ret void
}
attributes #0 = { nounwind }