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author | Tom Stellard <tstellar@redhat.com> | 2017-09-29 23:39:09 +0000 |
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committer | Tom Stellard <tstellar@redhat.com> | 2017-09-29 23:39:09 +0000 |
commit | ff6b4d3450d95ef4cd65d4aa9838703358458e39 (patch) | |
tree | 0e13cf75b542bc4af0014d39945932f638d37e95 /test | |
parent | 1122b45a01d7742daee96dad3ccb566b1dca2801 (diff) |
Merging r311951 and r312038:
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r311951 | adrian | 2017-08-28 16:07:43 -0700 (Mon, 28 Aug 2017) | 6 lines
Fix a logic error in DwarfExpression::addMachineReg()
This fixes PR34323 and thus splitting undescribable registers into
smaller, describable sub-registers.
https://bugs.llvm.org/show_bug.cgi?id=34323
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r312038 | joerg | 2017-08-29 14:18:07 -0700 (Tue, 29 Aug 2017) | 2 lines
Simplify test case, so that it works for both trunk and release-5.0.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_50@314567 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/DebugInfo/Sparc/subreg.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/DebugInfo/Sparc/subreg.ll b/test/DebugInfo/Sparc/subreg.ll new file mode 100644 index 000000000000..74475c5b0f22 --- /dev/null +++ b/test/DebugInfo/Sparc/subreg.ll @@ -0,0 +1,35 @@ +; RUN: llc -filetype=obj -O0 < %s -mtriple sparc64-unknown-linux-gnu | llvm-dwarfdump - | FileCheck %s +; The undescribable 128-bit register should be split into two 64-bit registers. +; CHECK: Location description: 90 48 93 08 90 49 93 08 +; DW_OP_reg74 DW_OP_piece 8 DW_OP_reg75 DW_OP_piece 8 ... + +target datalayout = "E-m:e-i64:64-n32:64-S128" +target triple = "sparc64" + +; Function Attrs: nounwind readnone +define void @fn1(fp128 %b) local_unnamed_addr !dbg !7 { +entry: + tail call void @llvm.dbg.value(metadata fp128 %b, i64 0, metadata !13, metadata !18), !dbg !17 + tail call void @llvm.dbg.value(metadata fp128 0xL00000000000000000000000000000000, i64 0, metadata !13, metadata !19), !dbg !17 + ret void, !dbg !20 +} + +; Function Attrs: nounwind readnone speculatable +declare void @llvm.dbg.value(metadata, i64, metadata, metadata) + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!4} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug) +!1 = !DIFile(filename: "subreg.c", directory: ".") +!4 = !{i32 2, !"Debug Info Version", i32 3} +!7 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 1, type: !8, unit: !0) +!8 = !DISubroutineType(types: !9) +!9 = !{null, !10} +!10 = !DIBasicType(name: "long double", size: 128, encoding: DW_ATE_float) +!13 = !DILocalVariable(name: "a", scope: !7, file: !1, line: 1, type: !14) +!14 = !DIBasicType(name: "complex", size: 256, encoding: DW_ATE_complex_float) +!17 = !DILocation(line: 1, column: 48, scope: !7) +!18 = !DIExpression(DW_OP_LLVM_fragment, 0, 128) +!19 = !DIExpression(DW_OP_LLVM_fragment, 128, 128) +!20 = !DILocation(line: 1, column: 55, scope: !7) |