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| author | Juergen Ributzka <juergen@apple.com> | 2014-08-13 21:42:19 +0000 |
|---|---|---|
| committer | Juergen Ributzka <juergen@apple.com> | 2014-08-13 21:42:19 +0000 |
| commit | a5b083853cfda598d76e53ef2c302d13c936834b (patch) | |
| tree | 8ff320be0c598071182e81b372ae3c561c7772d2 | |
| parent | 2cbcf7aad91bccd7123c0be16fc18273f7e2e82d (diff) | |
| download | bcm5719-llvm-a5b083853cfda598d76e53ef2c302d13c936834b.tar.gz bcm5719-llvm-a5b083853cfda598d76e53ef2c302d13c936834b.zip | |
[FastISel][ARM] Use MOVT/MOVW if the subtarget requests it.
This change is also in preparation for a future change to make sure that
the constant materialization uses MOVT/MOVW when available and not a load
from the constant pool.
llvm-svn: 215584
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFastISel.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/CodeGen/ARM/fast-isel-mvn.ll | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp index 5d33303ffa1..5cb6d9a0a77 100644 --- a/llvm/lib/Target/ARM/ARMFastISel.cpp +++ b/llvm/lib/Target/ARM/ARMFastISel.cpp @@ -546,6 +546,9 @@ unsigned ARMFastISel::ARMMaterializeInt(const Constant *C, MVT VT) { } } + if (Subtarget->useMovt(*FuncInfo.MF)) + return FastEmit_i(VT, VT, ISD::Constant, CI->getZExtValue()); + // Load from constant pool. For now 32-bit only. if (VT != MVT::i32) return false; diff --git a/llvm/test/CodeGen/ARM/fast-isel-mvn.ll b/llvm/test/CodeGen/ARM/fast-isel-mvn.ll index 0bc9395e2d7..9cb56ea9ae1 100644 --- a/llvm/test/CodeGen/ARM/fast-isel-mvn.ll +++ b/llvm/test/CodeGen/ARM/fast-isel-mvn.ll @@ -1,5 +1,5 @@ -; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM -; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM +; RUN: llc -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -arm-use-movt=false -mtriple=armv7-apple-ios < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ARM +; RUN: llc -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -arm-use-movt=false -mtriple=armv7-linux-gnueabi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=ARM ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB ; rdar://10412592 |
