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[SystemZ] Make AnyRegBitRegClass unallocatable. 

AnyReg is just for the assembler and it is better to have it as not
allocatable in order to simplify (make more intuitive) the RegPressureSets.

Review: Ulrich Weigand
llvm-svn: 327715
This commit is contained in:
Jonas Paulsson 2018-03-16 15:21:26 +00:00
parent 573102e344
commit a9f05a9d50
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Target/SystemZ/SystemZRegisterInfo.td
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@ -130,7 +130,7 @@ defm AnyReg : SystemZRegClass<"AnyReg",
[i64, f64, v8i8, v4i16, v2i32, v2f32], 64,
(add (sequence "R%uD", 0, 15),
(sequence "F%uD", 0, 15),
(sequence "V%u", 0, 15))>;
(sequence "V%u", 0, 15)), 0/*allocatable*/>;
//===----------------------------------------------------------------------===//
// Floating-point registers