[PATCH] D53901: [ARM][NFC] Make tests immune to better div optimizations

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 updated this revision to Diff 171812.

https://reviews.llvm.org/D53901

Files:
  test/CodeGen/ARM/fold-sext-sextload.ll
  test/CodeGen/ARM/fold-zext-zextload.ll
  test/CodeGen/ARM/vector-extend-narrow.ll


Index: test/CodeGen/ARM/vector-extend-narrow.ll
===================================================================
--- test/CodeGen/ARM/vector-extend-narrow.ll
+++ test/CodeGen/ARM/vector-extend-narrow.ll
@@ -48,7 +48,7 @@
 }
 
 ; CHECK-LABEL: i:
-define <4 x i8> @i(<4 x i8>* %x) {
+define <4 x i8> @i(<4 x i8>* %x, <4 x i8> %y) {
 ; Note: vld1 here is reasonably important. Mixing VFP and NEON
 ; instructions is bad on some cores
   ; CHECK: vld1
@@ -59,7 +59,7 @@
   ; CHECK: vmul
   ; CHECK: vmovn
   %1 = load <4 x i8>, <4 x i8>* %x, align 4
-  %2 = sdiv <4 x i8> zeroinitializer, %1
+  %2 = sdiv <4 x i8> %y, %1
   ret <4 x i8> %2
 }
 ; CHECK-LABEL: j:
Index: test/CodeGen/ARM/fold-zext-zextload.ll
===================================================================
--- test/CodeGen/ARM/fold-zext-zextload.ll
+++ test/CodeGen/ARM/fold-zext-zextload.ll
@@ -1,15 +1,14 @@
 ; RUN: llc -mtriple armv7 %s -stop-before=livedebugvalues -o - | FileCheck %s
 
-define <4 x i8> @i(<4 x i8>*) !dbg !8 {
-  %2 = load <4 x i8>, <4 x i8>* %0, align 4, !dbg !14
+define <4 x i8> @i(<4 x i8>*, <4 x i8>) !dbg !8 {
+  %3 = load <4 x i8>, <4 x i8>* %0, align 4, !dbg !14
   ; CHECK: $[[reg:.*]] = VLD1LNd32 {{.*}} debug-location !14 :: (load 4 from %ir.0)
   ; CHECK-NEXT: VMOVLuv8i16 {{.*}} $[[reg]], {{.*}} debug-location !14
   ; CHECK-NEXT: VMOVLuv4i32 {{.*}} $[[reg]], {{.*}} debug-location !14
-
-  %3 = udiv <4 x i8> zeroinitializer, %2, !dbg !15
-  call void @llvm.dbg.value(metadata <4 x i8> %2, metadata !11, metadata !DIExpression()), !dbg !14
-  call void @llvm.dbg.value(metadata <4 x i8> %3, metadata !13, metadata !DIExpression()), !dbg !15
-  ret <4 x i8> %3, !dbg !16
+  %4 = udiv <4 x i8> %1, %3, !dbg !15
+  call void @llvm.dbg.value(metadata <4 x i8> %3, metadata !11, metadata !DIExpression()), !dbg !14
+  call void @llvm.dbg.value(metadata <4 x i8> %4, metadata !13, metadata !DIExpression()), !dbg !15
+  ret <4 x i8> %4, !dbg !16
 }
 
 declare void @llvm.dbg.value(metadata, metadata, metadata)
Index: test/CodeGen/ARM/fold-sext-sextload.ll
===================================================================
--- test/CodeGen/ARM/fold-sext-sextload.ll
+++ test/CodeGen/ARM/fold-sext-sextload.ll
@@ -1,15 +1,14 @@
 ; RUN: llc -mtriple armv7 %s -stop-before=livedebugvalues -o - | FileCheck %s
 
-define <4 x i8> @i(<4 x i8>*) !dbg !8 {
-  %2 = load <4 x i8>, <4 x i8>* %0, align 4, !dbg !14
+define <4 x i8> @i(<4 x i8>*, <4 x i8>) !dbg !8 {
+  %3 = load <4 x i8>, <4 x i8>* %0, align 4, !dbg !14
   ; CHECK: $[[reg:.*]] = VLD1LNd32 {{.*}} debug-location !14 :: (load 4 from %ir.0)
-  ; CHECK-NEXT: VMOVLsv8i16 {{.*}} $[[reg]], {{.*}} debug-location !14
-  ; CHECK-NEXT: VMOVLsv4i32 {{.*}} $[[reg]], {{.*}} debug-location !14
-
-  %3 = sdiv <4 x i8> zeroinitializer, %2, !dbg !15
-  call void @llvm.dbg.value(metadata <4 x i8> %2, metadata !11, metadata !DIExpression()), !dbg !14
-  call void @llvm.dbg.value(metadata <4 x i8> %3, metadata !13, metadata !DIExpression()), !dbg !15
-  ret <4 x i8> %3, !dbg !16
+  ; CHECK: VMOVLsv8i16 {{.*}} $[[reg]], {{.*}} debug-location !14
+  ; CHECK: VMOVLsv4i32 {{.*}} $[[reg]], {{.*}} debug-location !14
+  %4 = sdiv <4 x i8> %1, %3, !dbg !15
+  call void @llvm.dbg.value(metadata <4 x i8> %3, metadata !11, metadata !DIExpression()), !dbg !14
+  call void @llvm.dbg.value(metadata <4 x i8> %4, metadata !13, metadata !DIExpression()), !dbg !15
+  ret <4 x i8> %4, !dbg !16
 }
 
 declare void @llvm.dbg.value(metadata, metadata, metadata)


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