diff options
| -rw-r--r-- | llvm/lib/CodeGen/ScheduleDAGInstrs.cpp | 8 | ||||
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/subreg-postra.ll | 168 |
2 files changed, 1 insertions, 175 deletions
diff --git a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp index ec376e8e7bb..d8d8422f0ed 100644 --- a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -310,15 +310,9 @@ void ScheduleDAGInstrs::addPhysRegDeps(SUnit *SU, unsigned OperIdx) { SUnit *DefSU = I->SU; if (DefSU == &ExitSU) continue; - auto IsDefDead = [this](SUnit *DefSU, unsigned Reg) { - for (MCSubRegIterator SR(Reg, TRI, true); SR.isValid(); ++SR) - if (!DefSU->getInstr()->registerDefIsDead(*SR)) - return false; - return true; - }; if (DefSU != SU && (Kind != SDep::Output || !MO.isDead() || - !IsDefDead(DefSU, *Alias))) { + !DefSU->getInstr()->registerDefIsDead(*Alias))) { if (Kind == SDep::Anti) DefSU->addPred(SDep(SU, Kind, /*Reg=*/*Alias)); else { diff --git a/llvm/test/CodeGen/PowerPC/subreg-postra.ll b/llvm/test/CodeGen/PowerPC/subreg-postra.ll deleted file mode 100644 index 25e23b757e7..00000000000 --- a/llvm/test/CodeGen/PowerPC/subreg-postra.ll +++ /dev/null @@ -1,168 +0,0 @@ -; RUN: llc -mcpu=pwr7 < %s | FileCheck %s -target datalayout = "E-m:e-i64:64-n32:64" -target triple = "powerpc64-unknown-linux-gnu" - -; Function Attrs: nounwind -define void @jbd2_journal_commit_transaction(i32* %journal) #0 { -entry: - br i1 undef, label %do.body, label %if.then5 - -if.then5: ; preds = %entry - unreachable - -do.body: ; preds = %entry - br i1 undef, label %do.body.i, label %trace_jbd2_start_commit.exit - -do.body.i: ; preds = %do.body - unreachable - -trace_jbd2_start_commit.exit: ; preds = %do.body - br i1 undef, label %do.body.i1116, label %trace_jbd2_commit_locking.exit - -do.body.i1116: ; preds = %trace_jbd2_start_commit.exit - br i1 undef, label %if.end.i1123, label %do.body5.i1122 - -do.body5.i1122: ; preds = %do.body.i1116 - unreachable - -if.end.i1123: ; preds = %do.body.i1116 - br label %trace_jbd2_commit_locking.exit - -trace_jbd2_commit_locking.exit: ; preds = %if.end.i1123, %trace_jbd2_start_commit.exit - br i1 undef, label %spin_unlock.exit1146, label %if.then.i.i.i.i1144 - -if.then.i.i.i.i1144: ; preds = %trace_jbd2_commit_locking.exit - unreachable - -spin_unlock.exit1146: ; preds = %trace_jbd2_commit_locking.exit - br i1 undef, label %spin_unlock.exit1154, label %if.then.i.i.i.i1152 - -if.then.i.i.i.i1152: ; preds = %spin_unlock.exit1146 - br label %spin_unlock.exit1154 - -spin_unlock.exit1154: ; preds = %if.then.i.i.i.i1152, %spin_unlock.exit1146 - br i1 undef, label %do.body.i1159, label %trace_jbd2_commit_flushing.exit - -do.body.i1159: ; preds = %spin_unlock.exit1154 - unreachable - -trace_jbd2_commit_flushing.exit: ; preds = %spin_unlock.exit1154 - br i1 undef, label %for.end.i, label %for.body.lr.ph.i - -for.body.lr.ph.i: ; preds = %trace_jbd2_commit_flushing.exit - br i1 undef, label %spin_unlock.exit.i, label %if.then.i.i.i.i.i - -if.then.i.i.i.i.i: ; preds = %for.body.lr.ph.i - unreachable - -spin_unlock.exit.i: ; preds = %for.body.lr.ph.i - unreachable - -for.end.i: ; preds = %trace_jbd2_commit_flushing.exit - br i1 undef, label %journal_submit_data_buffers.exit, label %if.then.i.i.i.i31.i - -if.then.i.i.i.i31.i: ; preds = %for.end.i - unreachable - -journal_submit_data_buffers.exit: ; preds = %for.end.i - br i1 undef, label %if.end103, label %if.then102 - -if.then102: ; preds = %journal_submit_data_buffers.exit - unreachable - -if.end103: ; preds = %journal_submit_data_buffers.exit - br i1 undef, label %do.body.i1182, label %trace_jbd2_commit_logging.exit - -do.body.i1182: ; preds = %if.end103 - unreachable - -trace_jbd2_commit_logging.exit: ; preds = %if.end103 - br i1 undef, label %for.end.i1287, label %for.body.i1277 - -for.body.i1277: ; preds = %trace_jbd2_commit_logging.exit - unreachable - -for.end.i1287: ; preds = %trace_jbd2_commit_logging.exit - br i1 undef, label %journal_finish_inode_data_buffers.exit, label %if.then.i.i.i.i84.i - -if.then.i.i.i.i84.i: ; preds = %for.end.i1287 - unreachable - -journal_finish_inode_data_buffers.exit: ; preds = %for.end.i1287 - br i1 undef, label %if.end256, label %if.then249 - -if.then249: ; preds = %journal_finish_inode_data_buffers.exit - unreachable - -if.end256: ; preds = %journal_finish_inode_data_buffers.exit - br i1 undef, label %do.body277, label %if.then260 - -if.then260: ; preds = %if.end256 - br label %do.body277 - -do.body277: ; preds = %if.then260, %if.end256 - br label %while.body318 - -while.body318: ; preds = %wait_on_buffer.exit, %do.body277 - %tobool.i1295 = icmp eq i64 undef, 0 - br i1 %tobool.i1295, label %wait_on_buffer.exit, label %if.then.i1296 - -if.then.i1296: ; preds = %while.body318 - unreachable - -wait_on_buffer.exit: ; preds = %while.body318 - br i1 undef, label %do.body378, label %while.body318 - -do.body378: ; preds = %wait_on_buffer.exit - br i1 undef, label %while.end418, label %while.body392.lr.ph - -while.body392.lr.ph: ; preds = %do.body378 - br label %while.body392 - -while.body392: ; preds = %wait_on_buffer.exit1319, %while.body392.lr.ph - %0 = load i8** undef, align 8 - %add.ptr399 = getelementptr inbounds i8* %0, i64 -72 - %b_state.i.i1314 = bitcast i8* %add.ptr399 to i64* - %tobool.i1316 = icmp eq i64 undef, 0 - br i1 %tobool.i1316, label %wait_on_buffer.exit1319, label %if.then.i1317 - -if.then.i1317: ; preds = %while.body392 - unreachable - -wait_on_buffer.exit1319: ; preds = %while.body392 - %1 = load volatile i64* %b_state.i.i1314, align 8 - %conv.i.i1322 = and i64 %1, 1 - %lnot404 = icmp eq i64 %conv.i.i1322, 0 - %.err.4 = select i1 %lnot404, i32 -5, i32 undef - %2 = call i64 asm sideeffect "1:.long 0x7c0000a8 $| ((($0) & 0x1f) << 21) $| (((0) & 0x1f) << 16) $| ((($3) & 0x1f) << 11) $| (((0) & 0x1) << 0) \0Aandc $0,$0,$2\0Astdcx. $0,0,$3\0Abne- 1b\0A", "=&r,=*m,r,r,*m,~{cc},~{memory}"(i64* %b_state.i.i1314, i64 262144, i64* %b_state.i.i1314, i64* %b_state.i.i1314) #1 - %prev.i.i.i1325 = getelementptr inbounds i8* %0, i64 8 - %3 = load i32** null, align 8 - store i32* %3, i32** undef, align 8 - call void @__brelse(i32* undef) #1 - br i1 undef, label %while.end418, label %while.body392 - -; CHECK-LABEL: @jbd2_journal_commit_transaction -; CHECK-NOT: andi. -; CHECK: stdcx. -; CHECK: andi. -; CHECK: isel - -while.end418: ; preds = %wait_on_buffer.exit1319, %do.body378 - %err.4.lcssa = phi i32 [ undef, %do.body378 ], [ %.err.4, %wait_on_buffer.exit1319 ] - br i1 undef, label %if.end421, label %if.then420 - -if.then420: ; preds = %while.end418 - call void @jbd2_journal_abort(i32* %journal, i32 signext %err.4.lcssa) #1 - br label %if.end421 - -if.end421: ; preds = %if.then420, %while.end418 - unreachable -} - -declare void @jbd2_journal_abort(i32*, i32 signext) - -declare void @__brelse(i32*) - -attributes #0 = { nounwind } -attributes #1 = { nounwind } - |
