6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-12 17:32:19 +00:00
Code Issues Projects Releases Wiki Activity

Fix PR6847. RegScavenger should ignore DebugValues.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101392 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-04-15 20:28:39 +00:00
parent 8538f0496a
commit 5ef9d76f6f
2 changed files with 29 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/CodeGen/RegisterScavenging.cpp
View File

@ -136,6 +136,9 @@ void RegScavenger::forward() {
ScavengeRestore = NULL;
}
if (MI->isDebugValue())
return;
// Find out which registers are early clobbered, killed, defined, and marked
// def-dead in this instruction.
BitVector EarlyClobberRegs(NumPhysRegs);

26
test/CodeGen/ARM/2010-04-15-ScavengerDebugValue.ll Normal file
View File

@ -0,0 +1,26 @@
; RUN: llc < %s
; PR6847
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64-n32"
target triple = "armv4t-apple-darwin10"
define hidden arm_apcscc i32 @__addvsi3(i32 %a, i32 %b) nounwind {
entry:
tail call void @llvm.dbg.value(metadata !{i32 %b}, i64 0, metadata !0)
%0 = add nsw i32 %b, %a, !dbg !9 ; <i32> [#uses=1]
ret i32 %0, !dbg !11
}
declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
!0 = metadata !{i32 524545, metadata !1, metadata !"b", metadata !2, i32 93, metadata !6} ; [ DW_TAG_arg_variable ]
!1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"__addvsi3", metadata !"__addvsi3", metadata !"__addvsi3", metadata !2, i32 94, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
!2 = metadata !{i32 524329, metadata !"libgcc2.c", metadata !"/Users/bwilson/local/nightly/test-2010-04-14/build/llvmgcc.roots/llvmgcc~obj/src/gcc", metadata !3} ; [ DW_TAG_file_type ]
!3 = metadata !{i32 524305, i32 0, i32 1, metadata !"libgcc2.c", metadata !"/Users/bwilson/local/nightly/test-2010-04-14/build/llvmgcc.roots/llvmgcc~obj/src/gcc", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build 00)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!4 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
!5 = metadata !{metadata !6, metadata !6, metadata !6}
!6 = metadata !{i32 524310, metadata !2, metadata !"SItype", metadata !7, i32 152, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_typedef ]
!7 = metadata !{i32 524329, metadata !"libgcc2.h", metadata !"/Users/bwilson/local/nightly/test-2010-04-14/build/llvmgcc.roots/llvmgcc~obj/src/gcc", metadata !3} ; [ DW_TAG_file_type ]
!8 = metadata !{i32 524324, metadata !2, metadata !"int", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!9 = metadata !{i32 95, i32 0, metadata !10, null}
!10 = metadata !{i32 524299, metadata !1, i32 94, i32 0} ; [ DW_TAG_lexical_block ]
!11 = metadata !{i32 100, i32 0, metadata !10, null}