diff options
Diffstat (limited to 'devel/llvm35/files/patch-svn-219512')
| -rw-r--r-- | devel/llvm35/files/patch-svn-219512 | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/devel/llvm35/files/patch-svn-219512 b/devel/llvm35/files/patch-svn-219512 deleted file mode 100644 index 4b8dd6670eb1..000000000000 --- a/devel/llvm35/files/patch-svn-219512 +++ /dev/null @@ -1,61 +0,0 @@ ------------------------------------------------------------------------- -r219512 | hfinkel | 2014-10-10 17:06:20 +0000 (Fri, 10 Oct 2014) | 10 lines - -[MiSched] Fix a logic error in tryPressure() - -Fixes a logic error in the MachineScheduler found by Steve Montgomery (and -confirmed by Andy). This has gone unfixed for months because the fix has been -found to introduce some small performance regressions. However, Andy has -recommended that, at this point, we fix this to avoid further dependence on the -incorrect behavior (and then follow-up separately on any regressions), and I -agree. - -Fixes PR18883. ------------------------------------------------------------------------- -Index: lib/CodeGen/MachineScheduler.cpp -=================================================================== ---- lib/CodeGen/MachineScheduler.cpp (revision 219511) -+++ lib/CodeGen/MachineScheduler.cpp (revision 219512) -@@ -2495,8 +2495,8 @@ - } - // If one candidate decreases and the other increases, go with it. - // Invalid candidates have UnitInc==0. -- if (tryLess(TryP.getUnitInc() < 0, CandP.getUnitInc() < 0, TryCand, Cand, -- Reason)) { -+ if (tryGreater(TryP.getUnitInc() < 0, CandP.getUnitInc() < 0, TryCand, Cand, -+ Reason)) { - return true; - } - // If the candidates are decreasing pressure, reverse priority. -#Index: test/CodeGen/X86/ragreedy-last-chance-recoloring.ll -#=================================================================== -#--- test/CodeGen/X86/ragreedy-last-chance-recoloring.ll (revision 219511) -#+++ test/CodeGen/X86/ragreedy-last-chance-recoloring.ll (revision 219512) -#@@ -2,10 +2,12 @@ -# ; Without the last chance recoloring, this test fails with: -# ; "ran out of registers". -# -#-; RUN: not llc -regalloc=greedy -relocation-model=pic -lcr-max-depth=0 < %s 2>&1 | FileCheck %s --check-prefix=CHECK-DEPTH -#+; NOTE: With the fix to PR18883, we don't actually run out of registers here -#+; any more, and so those checks are disabled. This test remains only for general coverage. -#+; XXX: not llc -regalloc=greedy -relocation-model=pic -lcr-max-depth=0 < %s 2>&1 | FileCheck %s --check-prefix=CHECK-DEPTH -# ; Test whether failure due to cutoff for depth is reported -# -#-; RUN: not llc -regalloc=greedy -relocation-model=pic -lcr-max-interf=1 < %s 2>&1 | FileCheck %s --check-prefix=CHECK-INTERF -#+; XXX: not llc -regalloc=greedy -relocation-model=pic -lcr-max-interf=1 < %s 2>&1 | FileCheck %s --check-prefix=CHECK-INTERF -# ; Test whether failure due to cutoff for interference is reported -# -# ; RUN: llc -regalloc=greedy -relocation-model=pic -lcr-max-interf=1 -lcr-max-depth=0 -exhaustive-register-search < %s > %t 2>&1 -#Index: test/CodeGen/X86/misched-matmul.ll -#=================================================================== -#--- test/CodeGen/X86/misched-matmul.ll (revision 219511) -#+++ test/CodeGen/X86/misched-matmul.ll (revision 219512) -#@@ -10,7 +10,7 @@ -# ; more complex cases. -# ; -# ; CHECK: @wrap_mul4 -#-; CHECK: 22 regalloc - Number of spills inserted -#+; CHECK: 23 regalloc - Number of spills inserted -# -# define void @wrap_mul4(double* nocapture %Out, [4 x double]* nocapture %A, [4 x double]* nocapture %B) #0 { -# entry: |
