diff options
| author | Vedant Kumar <vsk@apple.com> | 2018-05-01 19:51:15 +0000 |
|---|---|---|
| committer | Vedant Kumar <vsk@apple.com> | 2018-05-01 19:51:15 +0000 |
| commit | d7117ed0f973371fb89a8647b92063c50562bd85 (patch) | |
| tree | 4e9fe200eb14beba71277bdfdd2d5ba551a5846a /llvm/test | |
| parent | cc7b2a55c2cd8c09f80e4ccd14af944f4df7d171 (diff) | |
| download | bcm5719-llvm-d7117ed0f973371fb89a8647b92063c50562bd85.tar.gz bcm5719-llvm-d7117ed0f973371fb89a8647b92063c50562bd85.zip | |
[DAGCombiner] Fix SDLoc in a (sext (sextload x)) combine (3/N)
Prior to this patch, for the given test case, we would apply the
location associated with the sdiv instruction to instructions which
perform the load.
Part of: llvm.org/PR37262.
Differential Revision: https://reviews.llvm.org/D46222
llvm-svn: 331302
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/ARM/fold-sext-sextload.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/fold-sext-sextload.ll b/llvm/test/CodeGen/ARM/fold-sext-sextload.ll new file mode 100644 index 00000000000..506984fd677 --- /dev/null +++ b/llvm/test/CodeGen/ARM/fold-sext-sextload.ll @@ -0,0 +1,38 @@ +; 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 + ; 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 +} + +declare void @llvm.dbg.value(metadata, metadata, metadata) + +!llvm.debugify = !{!0, !1, !2, !3} +!llvm.module.flags = !{!4} +!llvm.dbg.cu = !{!5} + +!0 = !{i32 24} +!1 = !{i32 19} +!2 = !{i32 3} +!3 = !{i32 2} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = distinct !DICompileUnit(language: DW_LANG_C, file: !6, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !7) +!6 = !DIFile(filename: "/Users/vsk/Desktop/test.ll", directory: "/") +!7 = !{} +!8 = distinct !DISubprogram(name: "i", linkageName: "i", scope: null, file: !6, line: 1, type: !9, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !5, variables: !10) +!9 = !DISubroutineType(types: !7) +!10 = !{!11, !13} +!11 = !DILocalVariable(name: "1", scope: !8, file: !6, line: 1, type: !12) +!12 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned) +!13 = !DILocalVariable(name: "2", scope: !8, file: !6, line: 2, type: !12) +!14 = !DILocation(line: 1, column: 1, scope: !8) +!15 = !DILocation(line: 2, column: 1, scope: !8) +!16 = !DILocation(line: 3, column: 1, scope: !8) +!17 = !{i32 2, !"Debug Info Version", i32 3} |
