forked from OSchip/llvm-project
93 lines
1.9 KiB
TableGen
93 lines
1.9 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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// RUN: not llvm-tblgen -DERROR2 %s 2>&1 | FileCheck --check-prefix=ERROR2 %s
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// Test at top level.
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// CHECK-NOT: def aNo
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// CHECK: def aYes
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if 0 then def aNo;
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if 1 then def aYes;
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// Test inside a foreach, with condition based on the iteration variable.
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// CHECK: def bNotThree1
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// CHECK: def bNotThree2
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// CHECK: def bNotThree4
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// CHECK: def bThree3
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foreach i = 1...4 in {
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if !eq(i, 3) then {
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def "bThree" # i;
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} else {
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def "bNotThree" # i;
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}
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}
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// Test inside a multiclass, with condition based on a multiclass parameter.
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multiclass Multi<int i> {
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def Unconditional;
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if !eq(i, 2) then
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def Cond;
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if !ge(i, 3) then
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def ThenRec;
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else
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def ElseRec;
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}
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// CHECK-NOT: def c1Cond
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// CHECK: def c1ElseRec
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// CHECK-NOT: def c1ThenRec
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// CHECK: def c1Unconditional
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defm c1: Multi<1>;
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// CHECK: def c2Cond
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// CHECK: def c2ElseRec
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// CHECK-NOT: def c2ThenRec
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// CHECK: def c2Unconditional
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defm c2: Multi<2>;
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// CHECK-NOT: def c3Cond
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// CHECK-NOT: def c3ElseRec
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// CHECK: def c3ThenRec
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// CHECK: def c3Unconditional
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defm c3: Multi<3>;
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// Test resolution of the dangling-else ambiguity.
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// CHECK: def dThenElse00
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// CHECK-NOT: def dThenElse1
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// CHECK-NOT: def dThenElse11
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// CHECK: def dThenThen01
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foreach i = 0...1 in
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foreach j = 0...1 in
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if !eq(i,0) then
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if !eq(j,1) then
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def "dThenThen"#i#j;
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else // binds to the inner if, not the outer one
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def "dThenElse"#i#j;
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// Error tests: ensure you can't put an if inside a def or class.
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#ifdef ERROR1
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def baddef {
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int x = 3;
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// ERROR1: [[@LINE+1]]:3: error: Unknown token when expecting a type
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if 1 then {
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int y = 4;
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}
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}
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#endif
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#ifdef ERROR2
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class badclass<int i> {
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int x = 3;
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// ERROR2: [[@LINE+1]]:3: error: Unknown token when expecting a type
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if !eq(i, 5) then {
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int y = 4;
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}
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}
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#endif
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