Kai Nacke 5403c59c60 [PPC] Opaque pointer migration, part 2.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, nikic

Differential Revision: https://reviews.llvm.org/D135474
2022-10-11 17:24:06 +00:00

26 lines
731 B
LLVM

; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s
; This test verifies that VSX swap optimization works when an implicit
; subregister is present (in this case, in the XXPERMDI associated with
; the store).
define void @bar() {
entry:
%x = alloca <2 x i64>, align 16
call void @llvm.lifetime.start.p0(i64 16, ptr %x)
store <2 x i64> <i64 0, i64 1>, ptr %x, align 16
call void @foo(ptr %x)
call void @llvm.lifetime.end.p0(i64 16, ptr %x)
ret void
}
; CHECK-LABEL: @bar
; CHECK: lxvd2x
; CHECK: stxvd2x
; CHECK-NOT: xxswapd
declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
declare void @foo(ptr)
declare void @llvm.lifetime.end.p0(i64, ptr nocapture)