This patch enables spilling GPR to VSRs instead of stack under AIX ABI.
Reviewed By: nemanjai
Differential Revision: https://reviews.llvm.org/D97367
// For Power9 we allow the user to enable GPR to vector spills.
// FIXME: Currently limited to spilling GP8RC. A follow on patch will add
// support to spill GPRC.
- if (TM.isELFv2ABI()) {
+ if (TM.isELFv2ABI() || Subtarget.isAIXABI()) {
if (Subtarget.hasP9Vector() && EnableGPRToVecSpills &&
RC == &PPC::G8RCRegClass) {
InflateGP8RC++;
; RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu -ppc-enable-gpr-to-vsr-spills < %s | FileCheck %s
+; RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple=powerpc64-ibm-aix-xcoff -ppc-enable-gpr-to-vsr-spills -vec-extabi < %s | FileCheck %s
+
define signext i32 @foo(i32 signext %a, i32 signext %b) {
entry:
%cmp = icmp slt i32 %a, %b