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d25b1ed834
The Swift Simplification pass can do more than the old MandatoryCombine pass: simplification of more instruction types and dead code elimination. The result is a better -Onone performance while still keeping debug info consistent. Currently following code patterns are simplified: * `struct` -> `struct_extract` * `enum` -> `unchecked_enum_data` * `partial_apply` -> `apply` * `br` to a 1:1 related block * `cond_br` with a constant condition * `isConcrete` and `is_same_metadata` builtins More simplifications can be added in the future. rdar://96708429 rdar://104562580
51 lines
2.2 KiB
Swift
51 lines
2.2 KiB
Swift
// This line tests that IRGen is properly turning the unspecialized builtins
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// into traps.
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//
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// RUN: %target-swift-frontend -emit-ir -parse-as-library -parse-stdlib -Xllvm -sil-disable-pass=Simplification %s | %FileCheck %s
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// Make sure we are not eliminating these builtins before IRGen runs. As part of
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// the builtin's contract, we expect IRGen to convert them to traps, not
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// anything before.
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//
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// RUN: %target-swift-frontend -emit-sil -parse-as-library -parse-stdlib -Xllvm -sil-disable-pass=Simplification %s | %FileCheck --check-prefix=SIL %s
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import Swift
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// SIL-LABEL: sil [transparent] @$s20polymorphic_builtins11_isConcrete4typeSbxm_tlF : $@convention(thin) <T> (@thick T.Type) -> Bool {
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// SIL: builtin "isConcrete"<T>({{%[0-9]*}} : $@thick T.Type) : $Builtin.Int1
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// SIL: // end sil function '$s20polymorphic_builtins11_isConcrete4typeSbxm_tlF'
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@_transparent
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public func _isConcrete<T>(type: T.Type) -> Bool {
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return Bool(_builtinBooleanLiteral: Builtin.isConcrete(type))
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}
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// SIL-LABEL: sil [transparent] @$s20polymorphic_builtins41calleeAddVectorsGenericTransparentGuardedyxx_xtlF : $@convention(thin) <T> (@in_guaranteed T, @in_guaranteed T) -> @out T {
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// SIL: builtin "isConcrete"<T>({{%[0-9]*}} : $@thick T.Type) : $Builtin.Int1
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// SIL: builtin "generic_add"<T>(
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// SIL: } // end sil function '$s20polymorphic_builtins41calleeAddVectorsGenericTransparentGuardedyxx_xtlF'
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// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s20polymorphic_builtins41calleeAddVectorsGenericTransparentGuardedyxx_xtlF"(
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// CHECK: br i1 false, label %[[CONCRETE_LABEL:[0-9][0-9]*]], label %[[NON_CONCRETE_LABEL:[0-9][0-9]*]]
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//
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// CHECK: [[CONCRETE_LABEL]]:
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// CHECK: call void @llvm.trap()
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// CHECK: br label %[[EPILOGUE_BLOCK:[0-9][0-9]*]]
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//
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// CHECK: [[NON_CONCRETE_LABEL]]
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// CHECK: br label %[[EPILOGUE_BLOCK]]
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///
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// CHECK: [[EPILOGUE_BLOCK]]:
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// CHECK: ret void
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// CHECK-NEXT: }
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@_transparent
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public func calleeAddVectorsGenericTransparentGuarded<T>(_ lhs: T, _ rhs: T) -> T {
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if _isConcrete(T.self) {
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return Builtin.generic_add(lhs, rhs)
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}
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return lhs
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}
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public func callerAddVectorsGenericTransparent(_ lhs: Builtin.Vec4xInt32, _ rhs: Builtin.Vec4xInt32) -> Builtin.Vec4xInt32 {
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return calleeAddVectorsGenericTransparentGuarded(lhs, rhs)
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}
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