From 29c7d1a60c9d45e82f08cd7487178846ed5f9c6d Mon Sep 17 00:00:00 2001 From: Chen Zheng Date: Wed, 3 Apr 2024 04:45:40 -0400 Subject: [PPC] [NFC] add testcase for more store forwarding --- llvm/test/CodeGen/PowerPC/legalize-vaarg.ll | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'llvm/test/CodeGen/PowerPC') diff --git a/llvm/test/CodeGen/PowerPC/legalize-vaarg.ll b/llvm/test/CodeGen/PowerPC/legalize-vaarg.ll index b7f8b8a..8980049 100644 --- a/llvm/test/CodeGen/PowerPC/legalize-vaarg.ll +++ b/llvm/test/CodeGen/PowerPC/legalize-vaarg.ll @@ -1,6 +1,7 @@ ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ;RUN: llc < %s --mtriple=powerpc64-unknown-linux-gnu -mattr=+altivec | FileCheck %s -check-prefix=BE ;RUN: llc < %s --mtriple=powerpc64le-unknown-linux-gnu -mattr=+altivec | FileCheck %s -check-prefix=LE +;RUN: llc < %s --mtriple=powerpc64-unknown-linux-gnu -mattr=+altivec -ppc-gather-alias-max-depth=0 | FileCheck %s -check-prefix=FORWARD define <8 x i32> @test_large_vec_vaarg(i32 %n, ...) { ; BE-LABEL: test_large_vec_vaarg: @@ -35,6 +36,22 @@ define <8 x i32> @test_large_vec_vaarg(i32 %n, ...) { ; LE-NEXT: lxvd2x 0, 0, 3 ; LE-NEXT: xxswapd 35, 0 ; LE-NEXT: blr +; +; FORWARD-LABEL: test_large_vec_vaarg: +; FORWARD: # %bb.0: +; FORWARD-NEXT: ld 3, -8(1) +; FORWARD-NEXT: addi 3, 3, 15 +; FORWARD-NEXT: rldicr 3, 3, 0, 59 +; FORWARD-NEXT: addi 4, 3, 16 +; FORWARD-NEXT: std 4, -8(1) +; FORWARD-NEXT: ld 4, -8(1) +; FORWARD-NEXT: lvx 2, 0, 3 +; FORWARD-NEXT: addi 4, 4, 15 +; FORWARD-NEXT: rldicr 3, 4, 0, 59 +; FORWARD-NEXT: addi 4, 3, 16 +; FORWARD-NEXT: std 4, -8(1) +; FORWARD-NEXT: lvx 3, 0, 3 +; FORWARD-NEXT: blr %args = alloca ptr, align 4 %x = va_arg ptr %args, <8 x i32> ret <8 x i32> %x -- cgit v1.1