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llvm-mirror/test/DebugInfo/ARM/multiple-constant-uses-drops-dbgloc.ll

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[DebugInfo] Debug locations for constant SD nodes Several updates for [DebugInfo] Add debug locations to constant SD nodes (r235989). Includes: * re-enabling the change (disabled recently); * missing change for FP constants; * resetting debug location of constant node if it's used more than at one place to prevent emission of wrong locations in case of coalesced constants; * a couple of additional tests. Now all look ups in CSEMap are wrapped by additional method. Comment in D9084 suggests that debug locations aren't useful for "target constants", so there might be one more change related to this API (namely, dropping debug locations for getTarget*Constant methods). Differential Revision: http://reviews.llvm.org/D9604 llvm-svn: 237237
2015-05-13 10:58:03 +02:00
; RUN: llc -filetype=asm -asm-verbose=0 < %s | FileCheck %s
; char ch;
; int b;
;
; void proc (void)
; {
; ch = 'A';
; b = 0; // <== this should have correct location
; }
; CHECK: .loc 1 7 7
; CHECK: mov r{{[0-9]}}, #0
Renumber testcase metadata nodes after r290153. This patch renumbers the metadata nodes in debug info testcases after https://reviews.llvm.org/D26769. This is a separate patch because it causes so much churn. This was implemented with a python script that pipes the testcases through llvm-as - | llvm-dis - and then goes through the original and new output side-by side to insert all comments at a close-enough location. Differential Revision: https://reviews.llvm.org/D27765 llvm-svn: 290292
2016-12-22 01:45:21 +01:00
source_filename = "test/DebugInfo/ARM/multiple-constant-uses-drops-dbgloc.ll"
[DebugInfo] Debug locations for constant SD nodes Several updates for [DebugInfo] Add debug locations to constant SD nodes (r235989). Includes: * re-enabling the change (disabled recently); * missing change for FP constants; * resetting debug location of constant node if it's used more than at one place to prevent emission of wrong locations in case of coalesced constants; * a couple of additional tests. Now all look ups in CSEMap are wrapped by additional method. Comment in D9084 suggests that debug locations aren't useful for "target constants", so there might be one more change related to this API (namely, dropping debug locations for getTarget*Constant methods). Differential Revision: http://reviews.llvm.org/D9604 llvm-svn: 237237
2015-05-13 10:58:03 +02:00
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7--linux-gnueabihf"
Renumber testcase metadata nodes after r290153. This patch renumbers the metadata nodes in debug info testcases after https://reviews.llvm.org/D26769. This is a separate patch because it causes so much churn. This was implemented with a python script that pipes the testcases through llvm-as - | llvm-dis - and then goes through the original and new output side-by side to insert all comments at a close-enough location. Differential Revision: https://reviews.llvm.org/D27765 llvm-svn: 290292
2016-12-22 01:45:21 +01:00
@ch = common global i8 0, align 1, !dbg !0
@b = common global i32 0, align 4, !dbg !5
[DebugInfo] Debug locations for constant SD nodes Several updates for [DebugInfo] Add debug locations to constant SD nodes (r235989). Includes: * re-enabling the change (disabled recently); * missing change for FP constants; * resetting debug location of constant node if it's used more than at one place to prevent emission of wrong locations in case of coalesced constants; * a couple of additional tests. Now all look ups in CSEMap are wrapped by additional method. Comment in D9084 suggests that debug locations aren't useful for "target constants", so there might be one more change related to this API (namely, dropping debug locations for getTarget*Constant methods). Differential Revision: http://reviews.llvm.org/D9604 llvm-svn: 237237
2015-05-13 10:58:03 +02:00
; Function Attrs: nounwind
Renumber testcase metadata nodes after r290153. This patch renumbers the metadata nodes in debug info testcases after https://reviews.llvm.org/D26769. This is a separate patch because it causes so much churn. This was implemented with a python script that pipes the testcases through llvm-as - | llvm-dis - and then goes through the original and new output side-by side to insert all comments at a close-enough location. Differential Revision: https://reviews.llvm.org/D27765 llvm-svn: 290292
2016-12-22 01:45:21 +01:00
define void @proc() #0 !dbg !13 {
[DebugInfo] Debug locations for constant SD nodes Several updates for [DebugInfo] Add debug locations to constant SD nodes (r235989). Includes: * re-enabling the change (disabled recently); * missing change for FP constants; * resetting debug location of constant node if it's used more than at one place to prevent emission of wrong locations in case of coalesced constants; * a couple of additional tests. Now all look ups in CSEMap are wrapped by additional method. Comment in D9084 suggests that debug locations aren't useful for "target constants", so there might be one more change related to this API (namely, dropping debug locations for getTarget*Constant methods). Differential Revision: http://reviews.llvm.org/D9604 llvm-svn: 237237
2015-05-13 10:58:03 +02:00
entry:
store i8 65, i8* @ch, align 1, !dbg !17
store i32 0, i32* @b, align 4, !dbg !18
ret void, !dbg !19
}
attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a8" "target-features"="+neon,+vfp3" "unsafe-fp-math"="false" "use-soft-float"="false" }
Renumber testcase metadata nodes after r290153. This patch renumbers the metadata nodes in debug info testcases after https://reviews.llvm.org/D26769. This is a separate patch because it causes so much churn. This was implemented with a python script that pipes the testcases through llvm-as - | llvm-dis - and then goes through the original and new output side-by side to insert all comments at a close-enough location. Differential Revision: https://reviews.llvm.org/D27765 llvm-svn: 290292
2016-12-22 01:45:21 +01:00
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!8, !9, !10, !11}
!llvm.ident = !{!12}
Canonicalize the representation of empty an expression in DIGlobalVariableExpression This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. llvm-svn: 312144
2017-08-30 20:06:51 +02:00
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
Renumber testcase metadata nodes after r290153. This patch renumbers the metadata nodes in debug info testcases after https://reviews.llvm.org/D26769. This is a separate patch because it causes so much churn. This was implemented with a python script that pipes the testcases through llvm-as - | llvm-dis - and then goes through the original and new output side-by side to insert all comments at a close-enough location. Differential Revision: https://reviews.llvm.org/D27765 llvm-svn: 290292
2016-12-22 01:45:21 +01:00
!1 = !DIGlobalVariable(name: "ch", scope: !2, file: !3, line: 1, type: !4, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
!3 = !DIFile(filename: "test.c", directory: "/home/user/clang/build")
!4 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
Canonicalize the representation of empty an expression in DIGlobalVariableExpression This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. llvm-svn: 312144
2017-08-30 20:06:51 +02:00
!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
Renumber testcase metadata nodes after r290153. This patch renumbers the metadata nodes in debug info testcases after https://reviews.llvm.org/D26769. This is a separate patch because it causes so much churn. This was implemented with a python script that pipes the testcases through llvm-as - | llvm-dis - and then goes through the original and new output side-by side to insert all comments at a close-enough location. Differential Revision: https://reviews.llvm.org/D27765 llvm-svn: 290292
2016-12-22 01:45:21 +01:00
!6 = !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 2, type: !7, isLocal: false, isDefinition: true)
!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!8 = !{i32 2, !"Dwarf Version", i32 4}
!9 = !{i32 2, !"Debug Info Version", i32 3}
!10 = !{i32 1, !"wchar_size", i32 4}
!11 = !{i32 1, !"min_enum_size", i32 4}
Remove irrelevant references to legacy git repositories from compiler identification lines in test-cases. (Doing so only because it's then easier to search for references which are actually important and need fixing.) llvm-svn: 351200
2019-01-15 17:18:52 +01:00
!12 = !{!"clang version 3.7.0"}
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. In order to set breakpoints on labels and list source code around labels, we need collect debug information for labels, i.e., label name, the function label belong, line number in the file, and the address label located. In order to keep these information in LLVM IR and to allow backend to generate debug information correctly. We create a new kind of metadata for labels, DILabel. The format of DILabel is !DILabel(scope: !1, name: "foo", file: !2, line: 3) We hope to keep debug information as much as possible even the code is optimized. So, we create a new kind of intrinsic for label metadata to avoid the metadata is eliminated with basic block. The intrinsic will keep existing if we keep it from optimized out. The format of the intrinsic is llvm.dbg.label(metadata !1) It has only one argument, that is the DILabel metadata. The intrinsic will follow the label immediately. Backend could get the label metadata through the intrinsic's parameter. We also create DIBuilder API for labels to be used by Frontend. Frontend could use createLabel() to allocate DILabel objects, and use insertLabel() to insert llvm.dbg.label intrinsic in LLVM IR. Differential Revision: https://reviews.llvm.org/D45024 Patch by Hsiangkai Wang. llvm-svn: 331841
2018-05-09 04:40:45 +02:00
!13 = distinct !DISubprogram(name: "proc", scope: !3, file: !3, line: 4, type: !14, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !16)
Renumber testcase metadata nodes after r290153. This patch renumbers the metadata nodes in debug info testcases after https://reviews.llvm.org/D26769. This is a separate patch because it causes so much churn. This was implemented with a python script that pipes the testcases through llvm-as - | llvm-dis - and then goes through the original and new output side-by side to insert all comments at a close-enough location. Differential Revision: https://reviews.llvm.org/D27765 llvm-svn: 290292
2016-12-22 01:45:21 +01:00
!14 = !DISubroutineType(types: !15)
!15 = !{null}
!16 = !{}
!17 = !DILocation(line: 6, column: 8, scope: !13)
!18 = !DILocation(line: 7, column: 7, scope: !13)
!19 = !DILocation(line: 8, column: 1, scope: !13)
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