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fix minsize detection: minsize attribute implies optimizing for size 

llvm-svn: 244460
This commit is contained in:
Sanjay Patel 2015-08-10 16:47:47 +00:00
parent d6c30160e7
commit 68b0325a9e
2 changed files with 2 additions and 3 deletions
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3
llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -462,8 +462,7 @@ static bool isCalleeLoad(SDValue Callee, SDValue &Chain, bool HasCallSeq) {
void X86DAGToDAGISel::PreprocessISelDAG() { void X86DAGToDAGISel::PreprocessISelDAG() {
// OptForSize is used in pattern predicates that isel is matching. // OptForSize is used in pattern predicates that isel is matching.
// FIXME: Use Function::optForSize(). OptForSize = MF->getFunction()->optForSize();
OptForSize = MF->getFunction()->hasFnAttribute(Attribute::OptimizeForSize);
for (SelectionDAG::allnodes_iterator I = CurDAG->allnodes_begin(), for (SelectionDAG::allnodes_iterator I = CurDAG->allnodes_begin(),
E = CurDAG->allnodes_end(); I != E; ) { E = CurDAG->allnodes_end(); I != E; ) {

2
llvm/test/CodeGen/X86/splat-for-size.ll
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@ -43,7 +43,7 @@ define <8 x float> @splat_v8f32(<8 x float> %x) #1 {
; AVX can't do integer splats, so fake it: use vmovddup to splat 64-bit value. ; AVX can't do integer splats, so fake it: use vmovddup to splat 64-bit value.
; We also generate vmovddup for AVX2 because it's one byte smaller than vpbroadcastq. ; We also generate vmovddup for AVX2 because it's one byte smaller than vpbroadcastq.
define <2 x i64> @splat_v2i64(<2 x i64> %x) #0 { define <2 x i64> @splat_v2i64(<2 x i64> %x) #1 {
%add = add <2 x i64> %x, <i64 1, i64 1> %add = add <2 x i64> %x, <i64 1, i64 1>
ret <2 x i64> %add ret <2 x i64> %add
; CHECK-LABEL: splat_v2i64 ; CHECK-LABEL: splat_v2i64