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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Hexagon/no-packets-gather.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

48 lines
1.4 KiB
LLVM

; RUN: llc -mtriple=hexagon -mattr=+hvxv60,hvx-length64b,-packets < %s | FileCheck %s
target triple = "hexagon"
; Check that the only (multi-instruction) packet is the one with vgather.
; CHECK-LABEL: fred:
; CHECK: {
; CHECK-NEXT: allocframe(r29,#64):raw
; CHECK-NEXT: }
; CHECK-NEXT: {
; CHECK-NEXT: m0 = r2
; CHECK-NEXT: }
; CHECK-NEXT: {
; CHECK-NEXT: r29 = and(r29,#-64)
; CHECK-NEXT: }
; CHECK-NEXT: {
; CHECK-NEXT: vtmp.w = vgather(r1,m0,v0.w).w
; CHECK-NEXT: vmem(r0+#0) = vtmp.new
; CHECK-NEXT: }
; CHECK-NEXT: {
; CHECK-NEXT: r0 = add(r29,#0)
; CHECK-NEXT: }
; CHECK-NEXT: {
; CHECK-NEXT: call foo
; CHECK-NEXT: }
; CHECK-NEXT: {
; CHECK-NEXT: r31:30 = dealloc_return(r30):raw
; CHECK-NEXT: }
define void @fred(ptr %p, i32 %x, i32 %y) local_unnamed_addr #0 {
entry:
%v = alloca <16 x i32>, align 64
call void @llvm.lifetime.start(i64 64, ptr nonnull %v) #3
tail call void @llvm.hexagon.V6.vgathermw(ptr %p, i32 %x, i32 %y, <16 x i32> undef)
call void @foo(ptr nonnull %v) #0
call void @llvm.lifetime.end(i64 64, ptr nonnull %v) #3
ret void
}
declare void @llvm.lifetime.start(i64, ptr nocapture) #1
declare void @llvm.hexagon.V6.vgathermw(ptr, i32, i32, <16 x i32>) #1
declare void @foo(ptr) local_unnamed_addr #0
declare void @llvm.lifetime.end(i64, ptr nocapture) #1
attributes #0 = { nounwind "target-cpu"="hexagonv65" }
attributes #1 = { argmemonly nounwind }