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Turn on machine LICM in non-fast mode.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63855 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-02-05 08:46:33 +00:00
parent af6949d0b1
commit c5d1a4ffd9
3 changed files with 5 additions and 9 deletions
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6
lib/CodeGen/LLVMTargetMachine.cpp
View File

@ -42,10 +42,6 @@ static cl::opt<bool> PrintGCInfo("print-gc", cl::Hidden,
static cl::opt<bool>
EnableSinking("enable-sinking", cl::init(false), cl::Hidden,
cl::desc("Perform sinking on machine code"));
static cl::opt<bool>
EnableLICM("machine-licm",
cl::init(false), cl::Hidden,
cl::desc("Perform loop-invariant code motion on machine code"));
// When this works it will be on by default.
static cl::opt<bool>
@ -187,7 +183,7 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM, bool Fast) {
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
if (EnableLICM)
if (!Fast)
PM.add(createMachineLICMPass());
if (EnableSinking)

2
test/CodeGen/ARM/remat.ll
View File

@ -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 3
; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin -stats -info-output-file - | grep "Number of re-materialization" | grep 2
%struct.CONTENTBOX = type { i32, i32, i32, i32, i32 }
%struct.LOCBOX = type { i32, i32, i32, i32 }

6
test/CodeGen/X86/pre-split2.ll
View File

@ -1,7 +1,7 @@
; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -pre-alloc-split -stats |& \
; RUN: grep {pre-alloc-split} | count 3
; RUN: grep {pre-alloc-split} | count 2
define i32 @t() {
define i32 @t(i32 %arg) {
entry:
br label %bb6
@ -12,7 +12,7 @@ entry:
br label %bb6
bb6: ; preds = %.noexc6, %entry
%1 = uitofp i32 0 to double ; <double> [#uses=1]
%1 = uitofp i32 %arg to double ; <double> [#uses=1]
%2 = sub i32 0, 0 ; <i32> [#uses=1]
%3 = invoke i8* @_Znwm(i32 0)
to label %.noexc6 unwind label %lpad32 ; <i8*> [#uses=1]