forked from OSchip/llvm-project
91 lines
4.2 KiB
C++
91 lines
4.2 KiB
C++
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// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -fcxx-exceptions -fexceptions | FileCheck %s
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// Test IR generation for partial destruction of aggregates.
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void opaque();
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// Initializer lists.
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namespace test0 {
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struct A { A(int); A(); ~A(); void *v; };
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void test() {
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A as[10] = { 5, 7 };
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opaque();
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}
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// CHECK: define void @_ZN5test04testEv()
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// CHECK: [[AS:%.*]] = alloca [10 x [[A:%.*]]], align
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// CHECK-NEXT: [[ENDVAR:%.*]] = alloca [[A]]*
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// CHECK-NEXT: [[EXN:%.*]] = alloca i8*
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// CHECK-NEXT: [[SEL:%.*]] = alloca i32
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// CHECK-NEXT: [[CLEANUP:%.*]] = alloca i32
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// Initialize.
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// CHECK-NEXT: [[E_BEGIN:%.*]] = getelementptr inbounds [10 x [[A]]]* [[AS]], i64 0, i64 0
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// CHECK-NEXT: store [[A]]* [[E_BEGIN]], [[A]]** [[ENDVAR]]
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// CHECK-NEXT: invoke void @_ZN5test01AC1Ei([[A]]* [[E_BEGIN]], i32 5)
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// CHECK: [[E1:%.*]] = getelementptr inbounds [[A]]* [[E_BEGIN]], i64 1
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// CHECK-NEXT: store [[A]]* [[E1]], [[A]]** [[ENDVAR]]
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// CHECK-NEXT: invoke void @_ZN5test01AC1Ei([[A]]* [[E1]], i32 7)
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// CHECK: [[E2:%.*]] = getelementptr inbounds [[A]]* [[E1]], i64 1
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// CHECK-NEXT: store [[A]]* [[E2]], [[A]]** [[ENDVAR]]
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// CHECK-NEXT: [[E_END:%.*]] = getelementptr inbounds [[A]]* [[E_BEGIN]], i64 10
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// CHECK-NEXT: br label
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// CHECK: [[E_CUR:%.*]] = phi [[A]]* [ [[E2]], {{%.*}} ], [ [[E_NEXT:%.*]], {{%.*}} ]
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// CHECK-NEXT: invoke void @_ZN5test01AC1Ev([[A]]* [[E_CUR]])
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// CHECK: [[E_NEXT]] = getelementptr inbounds [[A]]* [[E_CUR]], i64 1
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// CHECK-NEXT: store [[A]]* [[E_NEXT]], [[A]]** [[ENDVAR]]
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// CHECK-NEXT: [[T0:%.*]] = icmp eq [[A]]* [[E_NEXT]], [[E_END]]
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// CHECK-NEXT: br i1 [[T0]],
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// Run.
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// CHECK: invoke void @_Z6opaquev()
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// Normal destroy.
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// CHECK: [[ED_BEGIN:%.*]] = getelementptr inbounds [10 x [[A]]]* [[AS]], i32 0, i32 0
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// CHECK-NEXT: [[ED_END:%.*]] = getelementptr inbounds [[A]]* [[ED_BEGIN]], i64 10
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// CHECK-NEXT: br label
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// CHECK: [[ED_AFTER:%.*]] = phi [[A]]* [ [[ED_END]], {{%.*}} ], [ [[ED_CUR:%.*]], {{%.*}} ]
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// CHECK-NEXT: [[ED_CUR]] = getelementptr inbounds [[A]]* [[ED_AFTER]], i64 -1
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// CHECK-NEXT: invoke void @_ZN5test01AD1Ev([[A]]* [[ED_CUR]])
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// CHECK: [[T0:%.*]] = icmp eq [[A]]* [[ED_CUR]], [[ED_BEGIN]]
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// CHECK-NEXT: br i1 [[T0]],
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// CHECK: ret void
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// Partial destroy for initialization.
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// CHECK: llvm.eh.selector({{.*}}, i32 0)
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// CHECK: [[PARTIAL_END:%.*]] = load [[A]]** [[ENDVAR]]
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// CHECK-NEXT: [[T0:%.*]] = icmp eq [[A]]* [[E_BEGIN]], [[PARTIAL_END]]
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// CHECK-NEXT: br i1 [[T0]],
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// CHECK: [[E_AFTER:%.*]] = phi [[A]]* [ [[PARTIAL_END]], {{%.*}} ], [ [[E_CUR:%.*]], {{%.*}} ]
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// CHECK-NEXT: [[E_CUR]] = getelementptr inbounds [[A]]* [[E_AFTER]], i64 -1
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// CHECK-NEXT: invoke void @_ZN5test01AD1Ev([[A]]* [[E_CUR]])
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// CHECK: [[T0:%.*]] = icmp eq [[A]]* [[E_CUR]], [[E_BEGIN]]
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// CHECK-NEXT: br i1 [[T0]],
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// Primary EH destructor.
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// CHECK: llvm.eh.selector({{.*}}, i32 0)
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// CHECK: [[E0:%.*]] = getelementptr inbounds [10 x [[A]]]* [[AS]], i32 0, i32 0
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// CHECK-NEXT: [[E_END:%.*]] = getelementptr inbounds [[A]]* [[E0]], i64 10
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// CHECK-NEXT: br label
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// Partial destructor for primary normal destructor.
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// FIXME: There's some really bad block ordering here which causes
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// the partial destroy for the primary normal destructor to fall
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// within the primary EH destructor.
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// CHECK: llvm.eh.selector({{.*}}, i32 0)
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// CHECK: [[T0:%.*]] = icmp eq [[A]]* [[ED_BEGIN]], [[ED_CUR]]
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// CHECK-NEXT: br i1 [[T0]]
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// CHECK: [[EDD_AFTER:%.*]] = phi [[A]]* [ [[ED_CUR]], {{%.*}} ], [ [[EDD_CUR:%.*]], {{%.*}} ]
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// CHECK-NEXT: [[EDD_CUR]] = getelementptr inbounds [[A]]* [[EDD_AFTER]], i64 -1
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// CHECK-NEXT: invoke void @_ZN5test01AD1Ev([[A]]* [[EDD_CUR]])
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// CHECK: [[T0:%.*]] = icmp eq [[A]]* [[EDD_CUR]], [[ED_BEGIN]]
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// CHECK-NEXT: br i1 [[T0]]
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// Back to the primary EH destructor.
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// CHECK: [[E_AFTER:%.*]] = phi [[A]]* [ [[E_END]], {{%.*}} ], [ [[E_CUR:%.*]], {{%.*}} ]
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// CHECK-NEXT: [[E_CUR]] = getelementptr inbounds [[A]]* [[E_AFTER]], i64 -1
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// CHECK-NEXT: invoke void @_ZN5test01AD1Ev([[A]]* [[E_CUR]])
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// CHECK: [[T0:%.*]] = icmp eq [[A]]* [[E_CUR]], [[E0]]
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// CHECK-NEXT: br i1 [[T0]],
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}
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