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author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2013-01-08 18:02:19 -0600 |
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committer | Abdoulaye Walsimou Gaye <awg@embtoolkit.org> | 2013-01-13 12:27:30 +0100 |
commit | 19e7d419f9d3b5cc9333b58859d9e215c8c40150 (patch) | |
tree | 0672cfcca59b4974422bd11428c94af048039111 /lib/CodeGen/SelectionDAG/TargetLowering.cpp | |
parent | ab38b966e20ecfc5ea0fd6ea1576eb8925071a62 (diff) | |
download | llvm-19e7d419f9d3b5cc9333b58859d9e215c8c40150.tar.gz llvm-19e7d419f9d3b5cc9333b58859d9e215c8c40150.tar.bz2 llvm-19e7d419f9d3b5cc9333b58859d9e215c8c40150.tar.xz |
Properly recognize "memory" constraint in clobber list of inline asm.embtoolkit-1.1.0
Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
Diffstat (limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/TargetLowering.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 49f55e2fc6..f6b887d6e9 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -2707,7 +2707,9 @@ PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const { TargetLowering::ConstraintType TargetLowering::getConstraintType(const std::string &Constraint) const { - if (Constraint.size() == 1) { + unsigned S = Constraint.size(); + + if (S == 1) { switch (Constraint[0]) { default: break; case 'r': return C_RegisterClass; @@ -2736,9 +2738,11 @@ TargetLowering::getConstraintType(const std::string &Constraint) const { } } - if (Constraint.size() > 1 && Constraint[0] == '{' && - Constraint[Constraint.size()-1] == '}') + if (S > 1 && Constraint[0] == '{' && Constraint[S-1] == '}') { + if (S == 8 && !Constraint.compare(1, 6, "memory", 6)) // "{memory}" + return C_Memory; return C_Register; + } return C_Unknown; } |