[llvm-commits] [llvm-gcc-4.2] r44659 - /llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp
Author: baldrick
Date: Thu Dec 6 02:10:52 2007
New Revision: 44659
URL: http://llvm.org/viewvc/llvm-project?rev=44659&view=rev
Log:
Inspect the nounwind attribute rather than using
the special fact that intrinsics cannot throw.
Modified:
llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp
Modified: llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp?rev=44659&r1=44658&r2=44659&view=diff
==
--- llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp Thu Dec 6 02:10:52 2007
@@ -2307,36 +2307,36 @@
/// result, otherwise store it in DestLoc.
Value *TreeToLLVM::EmitCallOf(Value *Callee, tree exp, const MemRef *DestLoc,
const ParamAttrsList *PAL) {
+ if (!PAL && isa(Callee))
+PAL = cast(Callee)->getParamAttrs();
+
// Determine if we need to generate an invoke instruction (instead of a
simple
// call) and if so, what the exception destination will be.
BasicBlock *LandingPad = 0;
- bool NoUnwind = false;
-
- // Do not turn intrinsic calls into invokes.
- if (!isa(Callee) || !cast(Callee)->getIntrinsicID()) {
-// Do not turn no-throw calls into invokes; mark them as "nounwind".
-NoUnwind = !tree_could_throw_p(exp);
-
-if (!NoUnwind) {
- int RegionNo = lookup_stmt_eh_region(exp);
-
- // Is the call contained in an exception handling region?
- if (RegionNo > 0) {
-// Are there any exception handlers for this region?
-if (can_throw_internal_1(RegionNo, false)) {
- // Turn the call into an invoke.
- LandingPads.grow(RegionNo);
- BasicBlock *&ThisPad = LandingPads[RegionNo];
-
- // Create a landing pad if one didn't exist already.
- if (!ThisPad)
-ThisPad = new BasicBlock("lpad");
+ bool NoUnwind =
+(PAL && PAL->paramHasAttr(0, ParamAttr::NoUnwind)) ||
+!tree_could_throw_p(exp);
+
+ // Do not turn nounwind calls into invokes.
+ if (!NoUnwind) {
+int RegionNo = lookup_stmt_eh_region(exp);
+
+// Is the call contained in an exception handling region?
+if (RegionNo > 0) {
+ // Are there any exception handlers for this region?
+ if (can_throw_internal_1(RegionNo, false)) {
+// Turn the call into an invoke.
+LandingPads.grow(RegionNo);
+BasicBlock *&ThisPad = LandingPads[RegionNo];
+
+// Create a landing pad if one didn't exist already.
+if (!ThisPad)
+ ThisPad = new BasicBlock("lpad");
- LandingPad = ThisPad;
-} else {
- // Can this call unwind out of the current function?
- NoUnwind = !can_throw_external_1(RegionNo, false);
-}
+LandingPad = ThisPad;
+ } else {
+// Can this call unwind out of the current function?
+NoUnwind = !can_throw_external_1(RegionNo, false);
}
}
}
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[llvm-commits] [llvm] r44660 - in /llvm/trunk: lib/CodeGen/LiveIntervalAnalysis.cpp test/CodeGen/ARM/remat.ll test/CodeGen/X86/2007-08-13-SpillerReuse.ll test/CodeGen/X86/2007-11-30-TestLoadFolding.ll
Author: evancheng
Date: Thu Dec 6 02:54:31 2007
New Revision: 44660
URL: http://llvm.org/viewvc/llvm-project?rev=44660&view=rev
Log:
Turning simple splitting on. Start testing new coalescer heuristics as new
llcbeta.
Modified:
llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp
llvm/trunk/test/CodeGen/ARM/remat.ll
llvm/trunk/test/CodeGen/X86/2007-08-13-SpillerReuse.ll
llvm/trunk/test/CodeGen/X86/2007-11-30-TestLoadFolding.ll
Modified: llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp?rev=44660&r1=44659&r2=44660&view=diff
==
--- llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp Thu Dec 6 02:54:31 2007
@@ -42,7 +42,7 @@
cl::init(false), cl::Hidden);
cl::opt SplitAtBB("split-intervals-at-bb",
- cl::init(false), cl::Hidden);
+ cl::init(true), cl::Hidden);
cl::opt SplitLimit("split-limit",
cl::init(-1), cl::Hidden);
}
Modified: llvm/trunk/test/CodeGen/ARM/remat.ll
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/remat.ll?rev=44660&r1=44659&r2=44660&view=diff
==
--- llvm/trunk/test/CodeGen/ARM/remat.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/remat.ll Thu Dec 6 02:54:31 2007
@@ -1,5 +1,5 @@
; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin
-; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin -stats -info-output-file -
| grep "Number of re-materialization" | grep 5
+; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin -stats -info-output-file -
| grep "Number of re-materialization" | grep 3
%struct.CONTENTBOX = type { i32, i32, i32, i32, i32 }
%struct.LOCBOX = type { i32, i32, i32, i32 }
Modified: llvm/trunk/test/CodeGen/X86/2007-08-13-SpillerReuse.ll
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/2007-08-13-SpillerReuse.ll?rev=44660&r1=44659&r2=44660&view=diff
==
--- llvm/trunk/test/CodeGen/X86/2007-08-13-SpillerReuse.ll (original)
+++ llvm/trunk/test/CodeGen/X86/2007-08-13-SpillerReuse.ll Thu Dec 6 02:54:31
2007
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc -mtriple=i686-apple-darwin | grep "48(%esp)" | count
6
+; RUN: llvm-as < %s | llc -mtriple=i686-apple-darwin | grep "48(%esp)" | count
5
%struct..0anon = type { i32 }
%struct.rtvec_def = type { i32, [1 x %struct..0anon] }
Modified: llvm/trunk/test/CodeGen/X86/2007-11-30-TestLoadFolding.ll
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/2007-11-30-TestLoadFolding.ll?rev=44660&r1=44659&r2=44660&view=diff
==
--- llvm/trunk/test/CodeGen/X86/2007-11-30-TestLoadFolding.ll (original)
+++ llvm/trunk/test/CodeGen/X86/2007-11-30-TestLoadFolding.ll Thu Dec 6
02:54:31 2007
@@ -1,5 +1,5 @@
; RUN: llvm-as < %s | llc -march=x86 -stats |& \
-; RUN: grep {2 .*folded into instructions}
+; RUN: grep {1 .*folded into instructions}
; RUN: llvm-as < %s | llc -march=x86 | grep cmp | count 3
%struct.quad_struct = type { i32, i32, %struct.quad_struct*,
%struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*,
%struct.quad_struct* }
___
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[llvm-commits] [test-suite] r44660 - /test-suite/trunk/Makefile.programs
Author: evancheng Date: Thu Dec 6 02:54:31 2007 New Revision: 44660 URL: http://llvm.org/viewvc/llvm-project?rev=44660&view=rev Log: Turning simple splitting on. Start testing new coalescer heuristics as new llcbeta. Modified: test-suite/trunk/Makefile.programs Modified: test-suite/trunk/Makefile.programs URL: http://llvm.org/viewvc/llvm-project/test-suite/trunk/Makefile.programs?rev=44660&r1=44659&r2=44660&view=diff == --- test-suite/trunk/Makefile.programs (original) +++ test-suite/trunk/Makefile.programs Thu Dec 6 02:54:31 2007 @@ -209,7 +209,7 @@ endif#DISABLE_DIFFS ifeq ($(ARCH),PowerPC) -LLCBETAOPTION := -split-intervals-at-bb +LLCBETAOPTION := -new-coalescer-heuristic=true #--enable-tail-merge #--enable-ppc-preinc #-regalloc=local -fast @@ -222,8 +222,7 @@ LLCBETAOPTION := -sched=simple endif ifeq ($(ARCH),x86) -LLCBETAOPTION := -split-intervals-at-bb -#-new-coalescer-heuristic=true +LLCBETAOPTION := -new-coalescer-heuristic=true #-tailcallopt #-regalloc=local -fast #-disable-rematerialization @@ -234,9 +233,8 @@ LLCBETAOPTION := -enable-sparc-v9-insts endif ifeq ($(ARCH),ARM) -LLCBETAOPTION := -split-intervals-at-bb +LLCBETAOPTION := -new-coalescer-heuristic=true #-disable-rematerialization -#-enable-arm-if-conversion #-march=thumb endif ifeq ($(ARCH),THUMB) ___ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
[llvm-commits] [llvm] r44663 - /llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
Author: johannes
Date: Thu Dec 6 11:53:31 2007
New Revision: 44663
URL: http://llvm.org/viewvc/llvm-project?rev=44663&view=rev
Log:
Redo previous patch so optimization only done for i1.
Simpler and safer.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=44663&r1=44662&r2=44663&view=diff
==
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Thu Dec 6 11:53:31 2007
@@ -2455,10 +2455,6 @@
MVT::ValueType VT = N->getValueType(0);
MVT::ValueType VT0 = N0.getValueType();
-
- // Some targets have SETCC types bigger than 1 bit, but do not set all the
- // bits to 1; identified by getSetCCResultContents. Watch out for these.
-
// fold select C, X, X -> X
if (N1 == N2)
return N1;
@@ -2483,22 +2479,14 @@
return DAG.getNode(ISD::TRUNCATE, VT, XORNode);
}
// fold select C, 0, X -> ~C & X
- if (VT == VT0 && N1C && N1C->isNullValue() &&
- (N0.Val->getOpcode()!=ISD::SETCC || VT==MVT::i1 ||
- TLI.getSetCCResultContents()==
- TargetLowering::ZeroOrNegativeOneSetCCResult)) {
-SDOperand XORNode;
-XORNode = DAG.getNode(ISD::XOR, VT, N0, DAG.getConstant(~0UL, VT));
+ if (VT == VT0 && VT == MVT::i1 && N1C && N1C->isNullValue()) {
+SDOperand XORNode = DAG.getNode(ISD::XOR, VT, N0, DAG.getConstant(1, VT));
AddToWorkList(XORNode.Val);
return DAG.getNode(ISD::AND, VT, XORNode, N2);
}
// fold select C, X, 1 -> ~C | X
- if (VT == VT0 && N2C && N2C->getValue() == 1 &&
- (N0.Val->getOpcode()!=ISD::SETCC || VT==MVT::i1 ||
- TLI.getSetCCResultContents()==
- TargetLowering::ZeroOrNegativeOneSetCCResult)) {
-SDOperand XORNode;
-XORNode = DAG.getNode(ISD::XOR, VT, N0, DAG.getConstant(~0UL, VT));
+ if (VT == VT0 && VT == MVT::i1 && N2C && N2C->getValue() == 1) {
+SDOperand XORNode = DAG.getNode(ISD::XOR, VT, N0, DAG.getConstant(1, VT));
AddToWorkList(XORNode.Val);
return DAG.getNode(ISD::OR, VT, XORNode, N1);
}
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[llvm-commits] [llvm-gcc-4.2] r44667 - in /llvm-gcc-4.2/trunk: build_gcc driverdriver.c
Author: void
Date: Thu Dec 6 16:10:02 2007
New Revision: 44667
URL: http://llvm.org/viewvc/llvm-project?rev=44667&view=rev
Log:
Hacked to link the drivers into the ${Fnord}/Developer/usr/bin directory. This
isn't optimal, but gets around the hack we had of trying to find the correct
driver...
Modified:
llvm-gcc-4.2/trunk/build_gcc
llvm-gcc-4.2/trunk/driverdriver.c
Modified: llvm-gcc-4.2/trunk/build_gcc
URL:
http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/build_gcc?rev=44667&r1=44666&r2=44667&view=diff
==
--- llvm-gcc-4.2/trunk/build_gcc (original)
+++ llvm-gcc-4.2/trunk/build_gcc Thu Dec 6 16:10:02 2007
@@ -372,7 +372,7 @@
$DIR/dst-*-$t/$DEST_ROOT/bin/$t-apple-darwin$DARWIN_VERS-gcc || exit 1
# APPLE LOCAL LLVM build_gcc bug with non-/usr $DEST_ROOT
lipo -output .$DEST_ROOT/bin/$t-apple-darwin$DARWIN_VERS-llvm-g++-$MAJ_VERS
-create \
-$DIR/dst-*-$t/$DEST_ROOT/bin/$t-apple-darwin$DARWIN_VERS-llvm-g++ || exit 1
+$DIR/dst-*-$t/$DEST_ROOT/bin/$t-apple-darwin$DARWIN_VERS-g++ || exit 1
done
# lib
@@ -524,11 +524,17 @@
ln -s -f ../../../$DEST_ROOT/bin/llvm-gcc-$MAJ_VERS llvm-gcc-$MAJ_VERS || exit
1
ln -s -f ../../../$DEST_ROOT/bin/llvm-g++-$MAJ_VERS llvm-g++-$MAJ_VERS || exit
1
- # Copy one of the libllvmgcc.dylib's up to libexec/gcc.
+# FIXME: This is a hack to get things working.
+for h in $HOSTS ; do
+ln -s -f
../../../$DEST_ROOT/bin/$h-apple-darwin$DARWIN_VERS-llvm-gcc-$MAJ_VERS
$h-apple-darwin$DARWIN_VERS-llvm-gcc-$MAJ_VERS || exit 1
+ln -s -f
../../../$DEST_ROOT/bin/$h-apple-darwin$DARWIN_VERS-llvm-g++-$MAJ_VERS
$h-apple-darwin$DARWIN_VERS-llvm-g++-$MAJ_VERS || exit 1
+done
+
+# Copy one of the libllvmgcc.dylib's up to libexec/gcc.
cp
$DEST_DIR/$DEST_ROOT/libexec/gcc/$BUILD-apple-darwin$DARWIN_VERS/$VERS/libllvmgcc.dylib
\
$DEST_DIR/$DEST_ROOT/libexec/gcc/
- # Replace the installed ones with symlinks to the common one.
+# Replace the installed ones with symlinks to the common one.
for t in $TARGETS ; do
cd $DEST_DIR/$DEST_ROOT/libexec/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/
rm libllvmgcc.dylib
Modified: llvm-gcc-4.2/trunk/driverdriver.c
URL:
http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/driverdriver.c?rev=44667&r1=44666&r2=44667&view=diff
==
--- llvm-gcc-4.2/trunk/driverdriver.c (original)
+++ llvm-gcc-4.2/trunk/driverdriver.c Thu Dec 6 16:10:02 2007
@@ -1253,6 +1253,7 @@
strncpy (curr_dir, argv[0], prefix_len);
curr_dir[prefix_len] = '\0';
/* LLVM LOCAL begin - These drivers live in /.../usr/llvm-gcc-4.2/bin */
+#if 0
{
size_t curr_dir_len = strlen (curr_dir);
const char *llvm_bin_dir = "/usr/llvm-gcc-4.2/bin/";
@@ -1267,6 +1268,9 @@
} else
driver_exec_prefix = curr_dir;
}
+#else
+ driver_exec_prefix = curr_dir;
+#endif
/* LLVM LOCAL end - These drivers live in /.../usr/llvm-gcc-4.2/bin */
#ifdef DEBUG
@@ -1553,7 +1557,11 @@
final_cleanup ();
free (curr_dir);
+ /* LLVM LOCAL - begin */
+#if 0
if (delete_prefix)
free (driver_exec_prefix);
+#endif
+ /* LLVM LOCAL - end */
return greatest_status;
}
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[llvm-commits] [llvm] r44668 - /llvm/trunk/test/CodeGen/X86/vec_set-2.ll
Author: evancheng
Date: Thu Dec 6 16:12:45 2007
New Revision: 44668
URL: http://llvm.org/viewvc/llvm-project?rev=44668&view=rev
Log:
Fix a bogus test case.
Modified:
llvm/trunk/test/CodeGen/X86/vec_set-2.ll
Modified: llvm/trunk/test/CodeGen/X86/vec_set-2.ll
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vec_set-2.ll?rev=44668&r1=44667&r2=44668&view=diff
==
--- llvm/trunk/test/CodeGen/X86/vec_set-2.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vec_set-2.ll Thu Dec 6 16:12:45 2007
@@ -1,23 +1,19 @@
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=+sse2 | grep movss
| count 1
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=+sse2 | grep movd |
count 1
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movss | count 1
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movd | count 1
-<4 x float> %test1(float %a) {
- %tmp = insertelement <4 x float> zeroinitializer, float %a, uint 0
- %tmp5 = insertelement <4 x float> %tmp, float 0.00e+00, uint 1
- %tmp6 = insertelement <4 x float> %tmp5, float 0.00e+00, uint 2
- %tmp7 = insertelement <4 x float> %tmp6, float 0.00e+00, uint 3
+define <4 x float> @test1(float %a) {
+ %tmp = insertelement <4 x float> zeroinitializer, float %a, i32 0
; <<4 x float>> [#uses=1]
+ %tmp5 = insertelement <4 x float> %tmp, float 0.00e+00, i32 1
; <<4 x float>> [#uses=1]
+ %tmp6 = insertelement <4 x float> %tmp5, float 0.00e+00, i32 2
; <<4 x float>> [#uses=1]
+ %tmp7 = insertelement <4 x float> %tmp6, float 0.00e+00, i32 3
; <<4 x float>> [#uses=1]
ret <4 x float> %tmp7
}
-<2 x long> %test(short %a) {
- %tmp = insertelement <8 x short> zeroinitializer, short %a, uint 0
- %tmp6 = insertelement <8 x short> %tmp, short 0, uint 1
- %tmp8 = insertelement <8 x short> %tmp6, short 0, uint 2
- %tmp10 = insertelement <8 x short> %tmp8, short 0, uint 3
- %tmp12 = insertelement <8 x short> %tmp10, short 0, uint 4
- %tmp14 = insertelement <8 x short> %tmp12, short 0, uint 5
- %tmp16 = insertelement <8 x short> %tmp14, short 0, uint 6
- %tmp18 = insertelement <8 x short> %tmp16, short 0, uint 7
- %tmp19 = cast <8 x short> %tmp18 to <2 x long>
- ret <2 x long> %tmp19
+define <2 x i64> @test(i32 %a) {
+ %tmp = insertelement <4 x i32> zeroinitializer, i32 %a, i32 0
; <<8 x i16>> [#uses=1]
+ %tmp6 = insertelement <4 x i32> %tmp, i32 0, i32 1 ; <<8 x
i32>> [#uses=1]
+ %tmp8 = insertelement <4 x i32> %tmp6, i32 0, i32 2 ; <<8 x
i32>> [#uses=1]
+ %tmp10 = insertelement <4 x i32> %tmp8, i32 0, i32 3; <<8 x
i32>> [#uses=1]
+ %tmp19 = bitcast <4 x i32> %tmp10 to <2 x i64> ; <<2 x i64>>
[#uses=1]
+ ret <2 x i64> %tmp19
}
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[llvm-commits] [llvm] r44669 - in /llvm/trunk/lib/Target/X86: X86ISelLowering.cpp X86InstrSSE.td
Author: evancheng
Date: Thu Dec 6 16:14:22 2007
New Revision: 44669
URL: http://llvm.org/viewvc/llvm-project?rev=44669&view=rev
Log:
Remove a bogus optimization. It's not possible to do a move to low element to a
<8 x i16> or <16 x i8> vector.
Modified:
llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
llvm/trunk/lib/Target/X86/X86InstrSSE.td
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=44669&r1=44668&r2=44669&view=diff
==
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Thu Dec 6 16:14:22 2007
@@ -2462,7 +2462,7 @@
/// specifies a shuffle of elements that is suitable for input to MOVSS,
/// MOVSD, and MOVD, i.e. setting the lowest element.
static bool isMOVLMask(const SDOperand *Elts, unsigned NumElts) {
- if (NumElts != 2 && NumElts != 4 && NumElts != 8 && NumElts != 16)
+ if (NumElts != 2 && NumElts != 4)
return false;
if (!isUndefOrEqual(Elts[0], NumElts))
Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=44669&r1=44668&r2=44669&view=diff
==
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Thu Dec 6 16:14:22 2007
@@ -2734,12 +2734,6 @@
// Move scalar to XMM zero-extended
// movd to XMM register zero-extends
let AddedComplexity = 15 in {
-def : Pat<(v8i16 (vector_shuffle immAllZerosV_bc,
- (v8i16 (X86s2vec GR32:$src)), MOVL_shuffle_mask)),
- (MOVZDI2PDIrr GR32:$src)>, Requires<[HasSSE2]>;
-def : Pat<(v16i8 (vector_shuffle immAllZerosV_bc,
- (v16i8 (X86s2vec GR32:$src)), MOVL_shuffle_mask)),
- (MOVZDI2PDIrr GR32:$src)>, Requires<[HasSSE2]>;
// Zeroing a VR128 then do a MOVS{S|D} to the lower bits.
def : Pat<(v2f64 (vector_shuffle immAllZerosV_bc,
(v2f64 (scalar_to_vector FR64:$src)), MOVL_shuffle_mask)),
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[llvm-commits] [llvm] r44671 - /llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
Author: evancheng
Date: Thu Dec 6 18:28:32 2007
New Revision: 44671
URL: http://llvm.org/viewvc/llvm-project?rev=44671&view=rev
Log:
Add an option to control this heuristic tweak so I can test it.
Modified:
llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
Modified: llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp?rev=44671&r1=44670&r2=44671&view=diff
==
--- llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp (original)
+++ llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp Thu Dec 6 18:28:32 2007
@@ -52,6 +52,11 @@
cl::desc("Use new coalescer heuristic"),
cl::init(false));
+ static cl::opt
+ ReMatSpillWeight("tweak-remat-spill-weight",
+ cl::desc("Tweak spill weight of re-materializable
intervals"),
+ cl::init(true));
+
RegisterPass
X("simple-register-coalescing", "Simple Register Coalescing");
@@ -1487,7 +1492,7 @@
LI.weight = HUGE_VALF;
else {
bool isLoad = false;
-if (li_->isReMaterializable(LI, isLoad)) {
+if (ReMatSpillWeight && li_->isReMaterializable(LI, isLoad)) {
// If all of the definitions of the interval are re-materializable,
// it is a preferred candidate for spilling. If non of the defs are
// loads, then it's potentially very cheap to re-materialize.
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[llvm-commits] [llvm] r44672 - /llvm/trunk/test/CodeGen/X86/2007-12-05-VectorShuffle.ll
Author: evancheng
Date: Thu Dec 6 19:48:46 2007
New Revision: 44672
URL: http://llvm.org/viewvc/llvm-project?rev=44672&view=rev
Log:
New test case.
Added:
llvm/trunk/test/CodeGen/X86/2007-12-05-VectorShuffle.ll
Added: llvm/trunk/test/CodeGen/X86/2007-12-05-VectorShuffle.ll
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/2007-12-05-VectorShuffle.ll?rev=44672&view=auto
==
--- llvm/trunk/test/CodeGen/X86/2007-12-05-VectorShuffle.ll (added)
+++ llvm/trunk/test/CodeGen/X86/2007-12-05-VectorShuffle.ll Thu Dec 6 19:48:46
2007
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2
+
+define void @test(<8 x i16>* %res, <8 x i16>* %A, <8 x i16>* %B) {
+ %tmp1 = load <8 x i16>* %A
+ %tmp2 = load <8 x i16>* %B
+ %tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> < i32
8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7 >
+ store <8 x i16> %tmp3, <8 x i16>* %res
+ ret void
+}
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Re: [llvm-commits] [llvm] r44643 - /llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp
On Dec 6, 2007, at 5:44 PM, Evan Cheng wrote:
>
> On Dec 5, 2007, at 4:08 PM, Chris Lattner wrote:
>
>> On Dec 5, 2007, at 3:58 PM, Evan Cheng wrote:
>>> URL: http://llvm.org/viewvc/llvm-project?rev=44643&view=rev
>>> Log:
>>> If both result of the {s|z}xt and its source are live out, rewrite
>>> all uses of the source with result of extension.
>>
>> I assume this is experimental, right? What sort of case does it
>> fix? Testcase please :)
>
> It's experimental. I'll reduce some a test case when it's enabled. :-)
ok
-Chris
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Re: [llvm-commits] [llvm] r44643 - /llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp
On Dec 5, 2007, at 4:08 PM, Chris Lattner wrote:
> On Dec 5, 2007, at 3:58 PM, Evan Cheng wrote:
>> URL: http://llvm.org/viewvc/llvm-project?rev=44643&view=rev
>> Log:
>> If both result of the {s|z}xt and its source are live out, rewrite
>> all uses of the source with result of extension.
>
> I assume this is experimental, right? What sort of case does it
> fix? Testcase please :)
It's experimental. I'll reduce some a test case when it's enabled. :-)
Evan
>
>
> -Chris
>
>> Modified:
>>llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp
>>
>> Modified: llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/
>> Scalar/CodeGenPrepare.cpp?rev=44643&r1=44642&r2=44643&view=diff
>>
>> =
>> =
>>
>> --- llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp (original)
>> +++ llvm/trunk/lib/Transforms/Scalar/CodeGenPrepare.cpp Wed Dec 5
>> 17:58:20 2007
>> @@ -28,11 +28,17 @@
>> #include "llvm/Transforms/Utils/Local.h"
>> #include "llvm/ADT/DenseMap.h"
>> #include "llvm/ADT/SmallSet.h"
>> -#include "llvm/Support/Debug.h"
>> +#include "llvm/Support/CommandLine.h"
>> #include "llvm/Support/Compiler.h"
>> +#include "llvm/Support/Debug.h"
>> #include "llvm/Support/GetElementPtrTypeIterator.h"
>> using namespace llvm;
>>
>> +namespace {
>> + cl::opt OptExtUses("optimize-ext-uses",
>> + cl::init(false), cl::Hidden);
>> +}
>> +
>> namespace {
>> class VISIBILITY_HIDDEN CodeGenPrepare : public FunctionPass {
>> /// TLI - Keep a pointer of a TargetLowering to consult for
>> determining
>> @@ -52,6 +58,7 @@
>> bool OptimizeLoadStoreInst(Instruction *I, Value *Addr,
>>const Type *AccessTy,
>>DenseMap &SunkAddrs);
>> +bool OptimizeExtUses(Instruction *I);
>> };
>> }
>>
>> @@ -913,6 +920,61 @@
>> return true;
>> }
>>
>> +bool CodeGenPrepare::OptimizeExtUses(Instruction *I) {
>> + BasicBlock *DefBB = I->getParent();
>> +
>> + // If both result of the {s|z}xt and its source are live out,
>> rewrite all
>> + // other uses of the source with result of extension.
>> + Value *Src = I->getOperand(0);
>> + if (Src->hasOneUse())
>> +return false;
>> +
>> + bool DefIsLiveOut = false;
>> + for (Value::use_iterator UI = I->use_begin(), E = I->use_end();
>> + UI != E; ++UI) {
>> +Instruction *User = cast(*UI);
>> +
>> +// Figure out which BB this ext is used in.
>> +BasicBlock *UserBB = User->getParent();
>> +if (UserBB == DefBB) continue;
>> +DefIsLiveOut = true;
>> +break;
>> + }
>> + if (!DefIsLiveOut)
>> +return false;
>> +
>> + // InsertedTruncs - Only insert one trunc in each block once.
>> + DenseMap InsertedTruncs;
>> +
>> + bool MadeChange = false;
>> + for (Value::use_iterator UI = Src->use_begin(), E = Src-
>> >use_end();
>> + UI != E; ++UI) {
>> +Use &TheUse = UI.getUse();
>> +Instruction *User = cast(*UI);
>> +
>> +// Figure out which BB this ext is used in.
>> +BasicBlock *UserBB = User->getParent();
>> +if (UserBB == DefBB) continue;
>> +
>> +// Both src and def are live in this block. Rewrite the use.
>> +Instruction *&InsertedTrunc = InsertedTruncs[UserBB];
>> +
>> +if (!InsertedTrunc) {
>> + BasicBlock::iterator InsertPt = UserBB->begin();
>> + while (isa(InsertPt)) ++InsertPt;
>> +
>> + InsertedTrunc = new TruncInst(I, Src->getType(), "",
>> InsertPt);
>> +}
>> +
>> +// Replace a use of the {s|z}ext source with a use of the
>> result.
>> +TheUse = InsertedTrunc;
>> +
>> +MadeChange = true;
>> + }
>> +
>> + return MadeChange;
>> +}
>> +
>> // In this pass we look for GEP and cast instructions that are used
>> // across basic blocks and rewrite them to improve basic-block-at-
>> a-time
>> // selection.
>> @@ -948,8 +1010,14 @@
>> if (isa(CI->getOperand(0)))
>> continue;
>>
>> - if (TLI)
>> -MadeChange |= OptimizeNoopCopyExpression(CI, *TLI);
>> + bool Change = false;
>> + if (TLI) {
>> +Change = OptimizeNoopCopyExpression(CI, *TLI);
>> +MadeChange |= Change;
>> + }
>> +
>> + if (OptExtUses && !Change && (isa(I) ||
>> isa(I)))
>> +MadeChange |= OptimizeExtUses(I);
>> } else if (CmpInst *CI = dyn_cast(I)) {
>> MadeChange |= OptimizeCmpExpression(CI);
>> } else if (LoadInst *LI = dyn_cast(I)) {
>>
>>
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[llvm-commits] [llvm] r44674 - /llvm/trunk/include/llvm/CodeGen/MachineLoopInfo.h
Author: resistor
Date: Thu Dec 6 22:04:55 2007
New Revision: 44674
URL: http://llvm.org/viewvc/llvm-project?rev=44674&view=rev
Log:
Fix a stupid error that Chris pointed out.
Modified:
llvm/trunk/include/llvm/CodeGen/MachineLoopInfo.h
Modified: llvm/trunk/include/llvm/CodeGen/MachineLoopInfo.h
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineLoopInfo.h?rev=44674&r1=44673&r2=44674&view=diff
==
--- llvm/trunk/include/llvm/CodeGen/MachineLoopInfo.h (original)
+++ llvm/trunk/include/llvm/CodeGen/MachineLoopInfo.h Thu Dec 6 22:04:55 2007
@@ -123,8 +123,6 @@
/// runOnFunction - Calculate the natural loop information.
///
virtual bool runOnMachineFunction(MachineFunction &F);
-
- bool runOnFunction(Function& F) { return false; }
virtual void releaseMemory() { LI->releaseMemory(); }
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[llvm-commits] [llvm-gcc-4.2] r44675 - /llvm-gcc-4.2/trunk/build_gcc
Author: dpatel Date: Thu Dec 6 23:30:06 2007 New Revision: 44675 URL: http://llvm.org/viewvc/llvm-project?rev=44675&view=rev Log: Fix broken links that point to assembler and linker. Modified: llvm-gcc-4.2/trunk/build_gcc Modified: llvm-gcc-4.2/trunk/build_gcc URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/build_gcc?rev=44675&r1=44674&r2=44675&view=diff == --- llvm-gcc-4.2/trunk/build_gcc (original) +++ llvm-gcc-4.2/trunk/build_gcc Thu Dec 6 23:30:06 2007 @@ -348,8 +348,9 @@ cp -p $DIR/dst-$BUILD-$t$DL/$f .$DL/$f || exit 1 fi done - ln -s ../../../../bin/as .$DL/as - ln -s ../../../../bin/ld .$DL/ld + # LLVM LOCAL fix broken link + ln -s ../../../../../bin/as .$DL/as + ln -s ../../../../../bin/ld .$DL/ld done # bin ___ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
