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Temporarily disable generation of static long Strings for macos. #17589

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Merged
merged 1 commit into from
Jun 29, 2018
Merged

Temporarily disable generation of static long Strings for macos. #17589

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6 changes: 6 additions & 0 deletions lib/SIL/SILGlobalVariable.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,12 @@ bool SILGlobalVariable::isValidStaticInitializerInst(const SILInstruction *I,
// a pointer+offset relocation.
// Note that StringObjectOr requires the or'd bits in the first
// operand to be 0, so the operation is equivalent to an addition.

// Temporarily disable static long Strings for macos.
// rdar://problem/41433840
if (M.getASTContext().LangOpts.Target.isMacOSX())
return false;

if (isa<IntegerLiteralInst>(bi->getArguments()[1]))
return true;
break;
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100 changes: 58 additions & 42 deletions test/SILOptimizer/static_strings.swift
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@@ -1,5 +1,5 @@
// RUN: %target-swift-frontend -O -emit-ir %s | %FileCheck %s
// RUN: %target-swift-frontend -Osize -emit-ir %s | %FileCheck %s
// RUN: %target-swift-frontend -O -emit-ir %s | %FileCheck --check-prefix=CHECK-%target-cpu %s
// RUN: %target-swift-frontend -Osize -emit-ir %s | %FileCheck --check-prefix=CHECK-%target-cpu %s

// RUN: %empty-directory(%t)
// RUN: %target-build-swift -O -module-name=test %s -o %t/a.out
Expand All @@ -12,72 +12,88 @@
// optimal code for static String variables.

public struct S {
// CHECK: {{^@"}}[[SMALL:.*smallstr.*pZ]]" ={{.*}} global {{.*}} inttoptr
// CHECK-x86_64: {{^@"}}[[SMALL:.*smallstr.*pZ]]" ={{.*}} global {{.*}} inttoptr
// CHECK-arm64: {{^@"}}[[SMALL:.*smallstr.*pZ]]" ={{.*}} global {{.*}} inttoptr
public static let smallstr = "abc123a"
// CHECK: {{^@"}}[[LARGE:.*largestr.*pZ]]" ={{.*}} global {{.*}} inttoptr {{.*}} add
// CHECK-arm64: {{^@"}}[[LARGE:.*largestr.*pZ]]" ={{.*}} global {{.*}} inttoptr {{.*}} add
public static let largestr = "abc123asd3sdj3basfasdf"
// CHECK: {{^@"}}[[UNICODE:.*unicodestr.*pZ]]" ={{.*}} global {{.*}} inttoptr {{.*}} add
// CHECK-arm64: {{^@"}}[[UNICODE:.*unicodestr.*pZ]]" ={{.*}} global {{.*}} inttoptr {{.*}} add
public static let unicodestr = "❄️gastroperiodyni"
}

// unsafeMutableAddressor for S.smallstr
// CHECK: define {{.*smallstr.*}}u"
// CHECK-NEXT: entry:
// CHECK-NEXT: ret {{.*}} @"[[SMALL]]"
// CHECK-NEXT: }
// CHECK-arm64: define {{.*smallstr.*}}u"
// CHECK-arm64-NEXT: entry:
// CHECK-arm64-NEXT: ret {{.*}} @"[[SMALL]]"
// CHECK-arm64-NEXT: }

// CHECK-x86_64: define {{.*smallstr.*}}u"
// CHECK-x86_64-NEXT: entry:
// CHECK-x86_64-NEXT: ret {{.*}} @"[[SMALL]]"
// CHECK-x86_64-NEXT: }

// getter for S.smallstr
// CHECK: define {{.*smallstr.*}}gZ"
// CHECK-NEXT: entry:
// CHECK-NEXT: ret {{.*}}
// CHECK-NEXT: }
// CHECK-arm64: define {{.*smallstr.*}}gZ"
// CHECK-arm64-NEXT: entry:
// CHECK-arm64-NEXT: ret {{.*}}
// CHECK-arm64-NEXT: }

// CHECK-x86_64: define {{.*smallstr.*}}gZ"
// CHECK-x86_64-NEXT: entry:
// CHECK-x86_64-NEXT: ret {{.*}}
// CHECK-x86_64-NEXT: }

// unsafeMutableAddressor for S.largestr
// CHECK: define {{.*largestr.*}}u"
// CHECK-NEXT: entry:
// CHECK-NEXT: ret {{.*}} @"[[LARGE]]"
// CHECK-NEXT: }
// CHECK-arm64: define {{.*largestr.*}}u"
// CHECK-arm64-NEXT: entry:
// CHECK-arm64-NEXT: ret {{.*}} @"[[LARGE]]"
// CHECK-arm64-NEXT: }

// getter for S.largestr
// CHECK: define {{.*largestr.*}}gZ"
// CHECK-NEXT: entry:
// CHECK-NEXT: ret {{.*}}
// CHECK-NEXT: }
// CHECK-arm64: define {{.*largestr.*}}gZ"
// CHECK-arm64-NEXT: entry:
// CHECK-arm64-NEXT: ret {{.*}}
// CHECK-arm64-NEXT: }

// unsafeMutableAddressor for S.unicodestr
// CHECK: define {{.*unicodestr.*}}u"
// CHECK-NEXT: entry:
// CHECK-NEXT: ret {{.*}} @"[[UNICODE]]"
// CHECK-NEXT: }
// CHECK-arm64: define {{.*unicodestr.*}}u"
// CHECK-arm64-NEXT: entry:
// CHECK-arm64-NEXT: ret {{.*}} @"[[UNICODE]]"
// CHECK-arm64-NEXT: }

// getter for S.unicodestr
// CHECK: define {{.*unicodestr.*}}gZ"
// CHECK-NEXT: entry:
// CHECK-NEXT: ret {{.*}}
// CHECK-NEXT: }

// CHECK-LABEL: define {{.*}}get_smallstr
// CHECK: entry:
// CHECK-NEXT: ret {{.*}}
// CHECK-NEXT: }
// CHECK-arm64: define {{.*unicodestr.*}}gZ"
// CHECK-arm64-NEXT: entry:
// CHECK-arm64-NEXT: ret {{.*}}
// CHECK-arm64-NEXT: }

// CHECK-arm64-LABEL: define {{.*}}get_smallstr
// CHECK-arm64: entry:
// CHECK-arm64-NEXT: ret {{.*}}
// CHECK-arm64-NEXT: }

// CHECK-x86_64-LABEL: define {{.*}}get_smallstr
// CHECK-x86_64: entry:
// CHECK-x86_64-NEXT: ret {{.*}}
// CHECK-x86_64-NEXT: }
@inline(never)
public func get_smallstr() -> String {
return S.smallstr
}

// CHECK-LABEL: define {{.*}}get_largestr
// CHECK: entry:
// CHECK-NEXT: ret {{.*}}
// CHECK-NEXT: }
// CHECK-arm64-LABEL: define {{.*}}get_largestr
// CHECK-arm64: entry:
// CHECK-arm64-NEXT: ret {{.*}}
// CHECK-arm64-NEXT: }
@inline(never)
public func get_largestr() -> String {
return S.largestr
}

// CHECK-LABEL: define {{.*}}get_unicodestr
// CHECK: entry:
// CHECK-NEXT: ret {{.*}}
// CHECK-NEXT: }
// CHECK-arm64-LABEL: define {{.*}}get_unicodestr
// CHECK-arm64: entry:
// CHECK-arm64-NEXT: ret {{.*}}
// CHECK-arm64-NEXT: }
@inline(never)
public func get_unicodestr() -> String {
return S.unicodestr
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