forked from OSchip/llvm-project
28 lines
847 B
LLVM
28 lines
847 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
|
|
%0 = bitcast <2 x i64>* %x to i8*
|
|
call void @llvm.lifetime.start(i64 16, i8* %0)
|
|
%arrayidx = getelementptr inbounds <2 x i64>, <2 x i64>* %x, i64 0, i64 0
|
|
store <2 x i64> <i64 0, i64 1>, <2 x i64>* %x, align 16
|
|
call void @foo(i64* %arrayidx)
|
|
call void @llvm.lifetime.end(i64 16, i8* %0)
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: @bar
|
|
; CHECK: lxvd2x
|
|
; CHECK: stxvd2x
|
|
; CHECK-NOT: xxswapd
|
|
|
|
declare void @llvm.lifetime.start(i64, i8* nocapture)
|
|
declare void @foo(i64*)
|
|
declare void @llvm.lifetime.end(i64, i8* nocapture)
|
|
|