[llvm] 317a644 - [SDAG] Precommit tests for #126207 (NFC) (#126208)

[via llvm-commits]

Author: Cullen Rhodes
Date: 2025-02-10T09:13:02Z
New Revision: 317a644ae6d501f1a1ec54d17ea8559bcdea35c0

URL: https://github.com/llvm/llvm-project/commit/317a644ae6d501f1a1ec54d17ea8559bcdea35c0
DIFF: https://github.com/llvm/llvm-project/commit/317a644ae6d501f1a1ec54d17ea8559bcdea35c0.diff

LOG: [SDAG] Precommit tests for #126207 (NFC) (#126208)

Add missing test coverage for codepaths touched by #126207.

Added: 
    

Modified: 
    llvm/test/CodeGen/AArch64/memcpy-f128.ll
    llvm/test/CodeGen/ARM/memcpy-inline.ll

Removed: 
    


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diff  --git a/llvm/test/CodeGen/AArch64/memcpy-f128.ll b/llvm/test/CodeGen/AArch64/memcpy-f128.ll
index 5b354dd23e01dfa..bb411a749bcebee 100644
--- a/llvm/test/CodeGen/AArch64/memcpy-f128.ll
+++ b/llvm/test/CodeGen/AArch64/memcpy-f128.ll
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s
+; RUN: llc < %s -mtriple=aarch64-linux-gnu -mattr=-neon | FileCheck %s
 
 %structA = type { i128 }
 @stubA = internal unnamed_addr constant %structA zeroinitializer, align 8

diff  --git a/llvm/test/CodeGen/ARM/memcpy-inline.ll b/llvm/test/CodeGen/ARM/memcpy-inline.ll
index 596a58afe46e5bb..89db22d1f0ed53c 100644
--- a/llvm/test/CodeGen/ARM/memcpy-inline.ll
+++ b/llvm/test/CodeGen/ARM/memcpy-inline.ll
@@ -12,6 +12,7 @@
 @.str4 = private unnamed_addr constant [18 x i8] c"DHRYSTONE PROGR  \00", align 1
 @.str5 = private unnamed_addr constant [7 x i8] c"DHRYST\00", align 1
 @.str6 = private unnamed_addr constant [14 x i8] c"/tmp/rmXXXXXX\00", align 1
+ at empty = private unnamed_addr constant [31 x i8] zeroinitializer, align 1
 @spool.splbuf = internal global [512 x i8] zeroinitializer, align 16
 
 define i32 @t0() {
@@ -282,5 +283,31 @@ entry:
   ret void
 }
 
+define void @copy_from_zero_constant(ptr nocapture %C) nounwind {
+; CHECK-LABEL: copy_from_zero_constant:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.i32 q8, #0x0
+; CHECK-NEXT:    movs r1, #15
+; CHECK-NEXT:    vst1.8 {d16, d17}, [r0], r1
+; CHECK-NEXT:    vst1.8 {d16, d17}, [r0]
+; CHECK-NEXT:    bx lr
+;
+; CHECK-T1-LABEL: copy_from_zero_constant:
+; CHECK-T1:       @ %bb.0: @ %entry
+; CHECK-T1-NEXT:    .save {r7, lr}
+; CHECK-T1-NEXT:    push {r7, lr}
+; CHECK-T1-NEXT:    ldr r1, .LCPI8_0
+; CHECK-T1-NEXT:    movs r2, #31
+; CHECK-T1-NEXT:    bl __aeabi_memcpy
+; CHECK-T1-NEXT:    pop {r7, pc}
+; CHECK-T1-NEXT:    .p2align 2
+; CHECK-T1-NEXT:  @ %bb.1:
+; CHECK-T1-NEXT:  .LCPI8_0:
+; CHECK-T1-NEXT:    .long .Lempty
+entry:
+  tail call void @llvm.memcpy.p0.p0.i64(ptr %C, ptr @empty, i64 31, i1 false)
+  ret void
+}
+
 declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind
 declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind