llvm-6502/test/DebugInfo/constant-sdnodes-have-dbg-location.ll
Sergey Dmitrouk 6eb9a62fe0 [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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237237 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-13 08:58:03 +00:00

27 lines
949 B
LLVM

; RUN: llc -debug < %s 2>&1 | FileCheck %s
; REQUIRES: asserts
; CHECK: 0x{{[0-9,a-f]+}}: i32 = Constant<-1>test.c:4:5
define i32 @main() {
entry:
%retval = alloca i32, align 4
store i32 0, i32* %retval
ret i32 -1, !dbg !10
}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!8, !9}
!0 = !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, subprograms: !3)
!1 = !DIFile(filename: "test.c", directory: "/home/user/clang-llvm/build")
!2 = !{}
!3 = !{!4}
!4 = !DISubprogram(name: "main", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, function: i32 ()* @main, variables: !2)
!5 = !DISubroutineType(types: !6)
!6 = !{!7}
!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 = !DILocation(line: 4, column: 5, scope: !4)