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[X86] Remove IntrArgMemOnly from ldmxcsr intrinsic.

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Since we're leaving this as ReadWrite with the "write" reflecting
the update to MXCSR, we shouldn't say it only writes arg memory.

Hopefully this fixes the issue reported in post-commit in D93571.
This commit is contained in:
Craig Topper 2021-01-08 17:47:12 -08:00
parent ccb53c0a97
commit 94793077cb
1 changed files with 1 additions and 1 deletions
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2
include/llvm/IR/IntrinsicsX86.td
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@ -286,7 +286,7 @@ let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
// FIXME: LDMXCSR does not actually write to memory,
// but intrinsic properties are generated incorrectly
// for IntrReadMem+IntrHasSideEffects.
[/*IntrReadMem,*/ IntrArgMemOnly, IntrHasSideEffects]>;
[/*IntrReadMem, IntrArgMemOnly,*/ IntrHasSideEffects]>;
}
// Misc.