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1c400b3882
Update the documentation and add a test. Build failed: Change SIZE_MAX to std::numeric_limits<int64_t>::max(). Differential Revision: https://reviews.llvm.org/D93419
82 lines
2.2 KiB
TableGen
82 lines
2.2 KiB
TableGen
// RUN: llvm-tblgen %s | FileCheck %s
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// RUN: not llvm-tblgen -DERROR1 %s 2>&1 | FileCheck --check-prefix=ERROR1 %s
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defvar claim = "This is the end of the world!";
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// CHECK: def Rec1
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// CHECK: fullNoLength = "This is the end of the world!";
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// CHECK: fullLength = "This is the end of the world!";
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// CHECK: thisIsTheEnd = "This is the end";
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// CHECK: DoorsSong = "the end";
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// CHECK: finalNoLength = "end of the world!";
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// CHECK: finalLength = "end of the world!";
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def Rec1 {
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string fullNoLength = !substr(claim, 0);
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string fullLength = !substr(claim, 0, 999);
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string thisIsTheEnd = !substr(claim, 0, 15);
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string DoorsSong = !substr(claim, 8, 7);
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string finalNoLength = !substr(claim, 12);
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string finalLength = !substr(claim, 12, !sub(!size(claim), 12));
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}
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// CHECK: def Rec2 {
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// CHECK: lastName = "Flintstone";
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def Rec2 {
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string firstName = "Fred";
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string name = firstName # " " # "Flintstone";
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string lastName = !substr(name, !add(!size(firstName), 1));
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}
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// CHECK: def Rec3 {
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// CHECK: test1 = "";
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// CHECK: test2 = "";
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// CHECK: test3 = "";
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// CHECK: test4 = "h";
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// CHECK: test5 = "hello";
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// CHECK: test6 = "";
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def Rec3 {
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string test1 = !substr("", 0, 0);
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string test2 = !substr("", 0, 9);
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string test3 = !substr("hello", 0, 0);
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string test4 = !substr("hello", 0, 1);
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string test5 = !substr("hello", 0, 99);
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string test6 = !substr("hello", 5, 99);
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}
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// CHECK: def Rec4
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// CHECK: message = "This is the end of the world!";
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// CHECK: messagePrefix = "This is th...";
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// CHECK: warning = "Bad message: 'This is th...'";
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class C<string msg> {
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string message = msg;
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string messagePrefix = !substr(message, 0, 10) # "...";
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}
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def Rec4 : C<claim> {
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string warning = "Bad message: '" # messagePrefix # "'";
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}
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#ifdef ERROR1
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// ERROR1: expected string, got type 'int'
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// ERROR1: expected int, got type 'bits<3>'
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// ERROR1: expected int, got type 'string'
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// ERROR1: !substr start position is out of range 0...29: 30
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// ERROR1: !substr length must be nonnegative
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def Rec8 {
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string claim1 = !substr(42, 0, 3);
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string claim2 = !substr(claim, 0b101);
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string claim3 = !substr(claim, 0, "oops");
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}
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def Rec9 {
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string claim1 = !substr(claim, !add(!size(claim), 1));
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string claim2 = !substr(claim, 0, -13);
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}
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#endif
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