forked from OSchip/llvm-project
45 lines
1.1 KiB
LLVM
45 lines
1.1 KiB
LLVM
; Test f128 moves on z14.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
|
|
|
|
; VR-to-VR moves. Since f128s are passed by reference,
|
|
; we need to force a copy by other means.
|
|
define void @f1(fp128 *%x) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: vlr
|
|
; CHECK: vleig
|
|
; CHECK: br %r14
|
|
%val = load volatile fp128 , fp128 *%x
|
|
%t1 = bitcast fp128 %val to <2 x i64>
|
|
%t2 = insertelement <2 x i64> %t1, i64 0, i32 0
|
|
%res = bitcast <2 x i64> %t2 to fp128
|
|
store volatile fp128 %res, fp128 *%x
|
|
store volatile fp128 %val, fp128 *%x
|
|
ret void
|
|
}
|
|
|
|
; Test 128-bit moves from GPRs to VRs. i128 isn't a legitimate type,
|
|
; so this goes through memory.
|
|
define void @f2(fp128 *%a, i128 *%b) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: vl
|
|
; CHECK: vst
|
|
; CHECK: br %r14
|
|
%val = load i128 , i128 *%b
|
|
%res = bitcast i128 %val to fp128
|
|
store fp128 %res, fp128 *%a
|
|
ret void
|
|
}
|
|
|
|
; Test 128-bit moves from VRs to GPRs, with the same restriction as f2.
|
|
define void @f3(fp128 *%a, i128 *%b) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: vl
|
|
; CHECK: vst
|
|
%val = load fp128 , fp128 *%a
|
|
%res = bitcast fp128 %val to i128
|
|
store i128 %res, i128 *%b
|
|
ret void
|
|
}
|
|
|