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173ca6da08
This patch extends TableGen language with !cond operator.
Instead of embedding !if inside !if which can get cumbersome,
one can now use !cond.
Below is an example to convert an integer 'x' into a string:
!cond(!lt(x,0) : "Negative",
!eq(x,0) : "Zero",
!eq(x,1) : "One,
1 : "MoreThanOne")
Reviewed By: hfinkel, simon_tatham, greened
Differential Revision: https://reviews.llvm.org/D55758
llvm-svn: 352185
16 lines
316 B
TableGen
16 lines
316 B
TableGen
// check that !cond works well with bit conditional values
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// RUN: llvm-tblgen %s | FileCheck %s
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// XFAIL: vg_leak
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// CHECK: a = 6
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// CHECK: a = 5
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class A<bit b = 1> {
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bit true = 1;
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int a = !cond(b: 5, true : 6);
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bit c = !cond(b: 0, true : 1);
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bits<1> d = !cond(b: 0, true : 1);
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}
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def X : A<0>;
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def Y : A;
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