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8d73f881e8
Like C bitfields. Fixes a crash in the InitializeStaticGlobals pass in case a global having a C struct type with bitfield is initialized statically.
40 lines
1.0 KiB
Swift
40 lines
1.0 KiB
Swift
// RUN: %target-swift-frontend -parse-as-library -O -import-objc-header %S/Inputs/bitfield.h -module-name=test %s -Xllvm -sil-print-types -emit-sil | %FileCheck %s
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// REQUIRES: swift_in_compiler
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var gg: Int = {
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print("gg init")
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return 27
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}()
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// Test that the compiler doesn't crash with a global C bitfield.
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var bitfield = S(a: 0, b: 0)
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var bitfield2 = S2(a: 0, b: 0)
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// CHECK-LABEL: sil @$s4test3cseSiyF
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// CHECK: builtin "once"
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// CHECK-NOT: builtin "once"
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// CHECK: [[G:%[0-9]+]] = load
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// CHECK-NOT: builtin "once"
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// CHECK: builtin "sadd_{{.*}}"([[G]] : $Builtin.Int{{[0-9]+}}, [[G]] : $Builtin.Int{{[0-9]+}}, %{{[0-9]+}} : $Builtin.Int1)
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// CHECK-NOT: builtin "once"
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// CHECK: } // end sil function '$s4test3cseSiyF'
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public func cse() -> Int {
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return gg + gg
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}
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// CHECK-LABEL: sil @$s4test4licmSiyF
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// CHECK: bb0:
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// CHECK: builtin "once"
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// CHECK: bb1{{.*}}:
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// CHECK-NOT: builtin "once"
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// CHECK: } // end sil function '$s4test4licmSiyF'
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public func licm() -> Int {
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var s = 0
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for _ in 0..<100 {
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s += gg
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}
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return s
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}
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