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rebase of the patch

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This commit is contained in:
Sylvestre Ledru 2018-08-30 18:28:17 +02:00
parent 7f1481186f
commit ea146c9ff1
1 changed files with 15 additions and 11 deletions
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26
debian/patches/D51335-alignment-issue.diff vendored
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@ -1,6 +1,8 @@
--- llvm-toolchain-6.0-6.0.1~+rc1.orig/lib/Transforms/Scalar/SROA.cpp Index: llvm-toolchain-6.0-6.0.1/lib/Transforms/Scalar/SROA.cpp
+++ llvm-toolchain-6.0-6.0.1~+rc1/lib/Transforms/Scalar/SROA.cpp ===================================================================
@@ -3046,6 +3046,42 @@ --- llvm-toolchain-6.0-6.0.1.orig/lib/Transforms/Scalar/SROA.cpp
+++ llvm-toolchain-6.0-6.0.1/lib/Transforms/Scalar/SROA.cpp
@@ -2987,6 +2987,42 @@ private:
return true; return true;
} }
@ -41,10 +43,10 @@
+ } + }
+ +
bool visitPHINode(PHINode &PN) { bool visitPHINode(PHINode &PN) {
LLVM_DEBUG(dbgs() << " original: " << PN << "\n"); DEBUG(dbgs() << " original: " << PN << "\n");
assert(BeginOffset >= NewAllocaBeginOffset && "PHIs are unsplittable"); assert(BeginOffset >= NewAllocaBeginOffset && "PHIs are unsplittable");
@@ -3069,6 +3105,9 @@ @@ -3010,6 +3046,9 @@ private:
LLVM_DEBUG(dbgs() << " to: " << PN << "\n"); DEBUG(dbgs() << " to: " << PN << "\n");
deleteIfTriviallyDead(OldPtr); deleteIfTriviallyDead(OldPtr);
+ // Fix the alignment of any loads or stores using this PHI node. + // Fix the alignment of any loads or stores using this PHI node.
@ -53,8 +55,8 @@
// PHIs can't be promoted on their own, but often can be speculated. We // PHIs can't be promoted on their own, but often can be speculated. We
// check the speculation outside of the rewriter so that we see the // check the speculation outside of the rewriter so that we see the
// fully-rewritten alloca. // fully-rewritten alloca.
@@ -3093,6 +3132,9 @@ @@ -3034,6 +3073,9 @@ private:
LLVM_DEBUG(dbgs() << " to: " << SI << "\n"); DEBUG(dbgs() << " to: " << SI << "\n");
deleteIfTriviallyDead(OldPtr); deleteIfTriviallyDead(OldPtr);
+ // Fix the alignment of any loads or stores using this select. + // Fix the alignment of any loads or stores using this select.
@ -63,9 +65,11 @@
// Selects can't be promoted on their own, but often can be speculated. We // Selects can't be promoted on their own, but often can be speculated. We
// check the speculation outside of the rewriter so that we see the // check the speculation outside of the rewriter so that we see the
// fully-rewritten alloca. // fully-rewritten alloca.
--- llvm-toolchain-6.0-6.0.1~+rc1.orig/test/Transforms/SROA/phi-and-select.ll Index: llvm-toolchain-6.0-6.0.1/test/Transforms/SROA/phi-and-select.ll
+++ llvm-toolchain-6.0-6.0.1~+rc1/test/Transforms/SROA/phi-and-select.ll ===================================================================
@@ -600,3 +600,35 @@ --- llvm-toolchain-6.0-6.0.1.orig/test/Transforms/SROA/phi-and-select.ll
+++ llvm-toolchain-6.0-6.0.1/test/Transforms/SROA/phi-and-select.ll
@@ -600,3 +600,35 @@ if.then5:
store %struct.S undef, %struct.S* %f1, align 4 store %struct.S undef, %struct.S* %f1, align 4
ret void ret void
} }