diff options
| author | Rafael Espindola <rafael.espindola@gmail.com> | 2006-08-04 12:48:42 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2006-08-04 12:48:42 +0000 |
| commit | 341b864c8d3868a17d5dbcdb4bac40c6586b60cf (patch) | |
| tree | 3029828e06f4a3ab5a9acc700ee6fd8d1d99c3f2 | |
| parent | 6312da0fc7b5cbefba2243775ed9de5c405274be (diff) | |
use a 'register pressure reducing' scheduler
make sure only one move is used in a hello world
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29520 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMISelDAGToDAG.cpp | 2 | ||||
| -rw-r--r-- | test/CodeGen/ARM/hello.ll | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp index 000efaadde..34d972ffa7 100644 --- a/lib/Target/ARM/ARMISelDAGToDAG.cpp +++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp @@ -44,6 +44,8 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM) setOperationAction(ISD::RET, MVT::Other, Custom); setOperationAction(ISD::GlobalAddress, MVT::i32, Custom); setOperationAction(ISD::ConstantPool, MVT::i32, Custom); + + setSchedulingPreference(SchedulingForRegPressure); } namespace llvm { diff --git a/test/CodeGen/ARM/hello.ll b/test/CodeGen/ARM/hello.ll new file mode 100644 index 0000000000..61354a0425 --- /dev/null +++ b/test/CodeGen/ARM/hello.ll @@ -0,0 +1,13 @@ +; RUN: llvm-as < %s | llc -march=arm && +; RUN: llvm-as < %s | llc -march=arm | grep mov | wc -l | grep 1 +%str = internal constant [12 x sbyte] c"Hello World\00" ; <[12 x sbyte]*> [#uses=1] + +implementation ; Functions: + +int %main() { +entry: + %tmp = call int %puts( sbyte* getelementptr ([12 x sbyte]* %str, int 0, uint 0) ) ; <int> [#uses=0] + ret int 0 +} + +declare int %puts(sbyte*) |