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-rw-r--r--clang/test/CodeGenCXX/condition.cpp317
1 files changed, 317 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/condition.cpp b/clang/test/CodeGenCXX/condition.cpp
new file mode 100644
index 0000000..cc2eaf5
--- /dev/null
+++ b/clang/test/CodeGenCXX/condition.cpp
@@ -0,0 +1,317 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
+void *f();
+
+template <typename T> T* g() {
+ if (T* t = f())
+ return t;
+
+ return 0;
+}
+
+void h() {
+ void *a = g<void>();
+}
+
+struct X {
+ X();
+ X(const X&);
+ ~X();
+ operator bool();
+};
+
+struct Y {
+ Y();
+ ~Y();
+};
+
+X getX();
+
+// CHECK: define void @_Z11if_destructi(
+void if_destruct(int z) {
+ // Verify that the condition variable is destroyed at the end of the
+ // "if" statement.
+ // CHECK: call void @_ZN1XC1Ev
+ // CHECK: call zeroext i1 @_ZN1XcvbEv
+ if (X x = X()) {
+ // CHECK: store i32 18
+ z = 18;
+ }
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: store i32 17
+ z = 17;
+
+ // CHECK: call void @_ZN1XC1Ev
+ if (X x = X())
+ Y y;
+ // CHECK: br
+ // CHECK: call void @_ZN1YC1Ev
+ // CHECK: call void @_ZN1YD1Ev
+ // CHECK: br
+ // CHECK: call void @_ZN1XD1Ev
+
+ // CHECK: call void @_Z4getXv
+ // CHECK: call zeroext i1 @_ZN1XcvbEv
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: br
+ if (getX()) { }
+
+ // CHECK: ret
+}
+
+struct ConvertibleToInt {
+ ConvertibleToInt();
+ ~ConvertibleToInt();
+ operator int();
+};
+
+ConvertibleToInt getConvToInt();
+
+void switch_destruct(int z) {
+ // CHECK: call void @_ZN16ConvertibleToIntC1Ev
+ switch (ConvertibleToInt conv = ConvertibleToInt()) {
+ case 0:
+ break;
+
+ default:
+ // CHECK: store i32 19
+ z = 19;
+ break;
+ }
+ // CHECK: call void @_ZN16ConvertibleToIntD1Ev
+ // CHECK: store i32 20
+ z = 20;
+
+ // CHECK: call void @_Z12getConvToIntv
+ // CHECK: call i32 @_ZN16ConvertibleToIntcviEv
+ // CHECK: call void @_ZN16ConvertibleToIntD1Ev
+ switch(getConvToInt()) {
+ case 0:
+ break;
+ }
+ // CHECK: store i32 27
+ z = 27;
+ // CHECK: ret
+}
+
+int foo();
+
+// CHECK: define void @_Z14while_destructi
+void while_destruct(int z) {
+ // CHECK: [[Z:%.*]] = alloca i32
+ // CHECK: [[CLEANUPDEST:%.*]] = alloca i32
+ while (X x = X()) {
+ // CHECK: call void @_ZN1XC1Ev
+ // CHECK-NEXT: [[COND:%.*]] = call zeroext i1 @_ZN1XcvbEv
+ // CHECK-NEXT: br i1 [[COND]]
+
+ // Loop-exit staging block.
+ // CHECK: store i32 3, i32* [[CLEANUPDEST]]
+ // CHECK-NEXT: br
+
+ // While body.
+ // CHECK: store i32 21, i32* [[Z]]
+ // CHECK: store i32 0, i32* [[CLEANUPDEST]]
+ // CHECK-NEXT: br
+ z = 21;
+
+ // Cleanup.
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK-NEXT: [[DEST:%.*]] = load i32* [[CLEANUPDEST]]
+ // CHECK-NEXT: switch i32 [[DEST]]
+ }
+
+ // CHECK: store i32 22, i32* [[Z]]
+ z = 22;
+
+ // CHECK: call void @_Z4getXv
+ // CHECK-NEXT: call zeroext i1 @_ZN1XcvbEv
+ // CHECK-NEXT: call void @_ZN1XD1Ev
+ // CHECK-NEXT: br
+ while(getX()) { }
+
+ // CHECK: store i32 25, i32* [[Z]]
+ z = 25;
+
+ // CHECK: ret
+}
+
+// CHECK: define void @_Z12for_destructi(
+void for_destruct(int z) {
+ // CHECK: [[Z:%.*]] = alloca i32
+ // CHECK: [[CLEANUPDEST:%.*]] = alloca i32
+ // CHECK: [[I:%.*]] = alloca i32
+ // CHECK: call void @_ZN1YC1Ev
+ // CHECK-NEXT: br
+ // -> %for.cond
+
+ for(Y y = Y(); X x = X(); ++z) {
+ // %for.cond: The loop condition.
+ // CHECK: call void @_ZN1XC1Ev
+ // CHECK-NEXT: [[COND:%.*]] = call zeroext i1 @_ZN1XcvbEv(
+ // CHECK-NEXT: br i1 [[COND]]
+ // -> %for.body, %for.cond.cleanup
+
+ // %for.cond.cleanup: Exit cleanup staging.
+ // CHECK: store i32 2, i32* [[CLEANUPDEST]]
+ // CHECK-NEXT: br
+ // -> %cleanup
+
+ // %for.body:
+ // CHECK: store i32 23, i32* [[Z]]
+ // CHECK-NEXT: br
+ // -> %for.inc
+ z = 23;
+
+ // %for.inc:
+ // CHECK: [[TMP:%.*]] = load i32* [[Z]]
+ // CHECK-NEXT: [[INC:%.*]] = add nsw i32 [[TMP]], 1
+ // CHECK-NEXT: store i32 [[INC]], i32* [[Z]]
+ // CHECK-NEXT: store i32 0, i32* [[CLEANUPDEST]]
+ // CHECK-NEXT: br
+ // -> %cleanup
+
+ // %cleanup: Destroys X.
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK-NEXT: [[YDESTTMP:%.*]] = load i32* [[CLEANUPDEST]]
+ // CHECK-NEXT: switch i32 [[YDESTTMP]]
+ // 0 -> %cleanup.cont, default -> %cleanup1
+
+ // %cleanup.cont: (eliminable)
+ // CHECK: br
+ // -> %for.cond
+
+ // %cleanup1: Destroys Y.
+ // CHECK: call void @_ZN1YD1Ev(
+ // CHECK-NEXT: br
+ // -> %for.end
+ }
+
+ // %for.end:
+ // CHECK: store i32 24
+ z = 24;
+
+ // CHECK-NEXT: store i32 0, i32* [[I]]
+ // CHECK-NEXT: br
+ // -> %for.cond6
+
+ // %for.cond6:
+ // CHECK: call void @_Z4getXv
+ // CHECK-NEXT: call zeroext i1 @_ZN1XcvbEv
+ // CHECK-NEXT: call void @_ZN1XD1Ev
+ // CHECK-NEXT: br
+ // -> %for.body10, %for.end16
+
+ // %for.body10:
+ // CHECK: br
+ // -> %for.inc11
+
+ // %for.inc11:
+ // CHECK: call void @_Z4getXv
+ // CHECK-NEXT: load i32* [[I]]
+ // CHECK-NEXT: add
+ // CHECK-NEXT: store
+ // CHECK-NEXT: call void @_ZN1XD1Ev
+ // CHECK-NEXT: br
+ // -> %for.cond6
+ int i = 0;
+ for(; getX(); getX(), ++i) { }
+
+ // %for.end16
+ // CHECK: store i32 26
+ z = 26;
+
+ // CHECK-NEXT: ret void
+}
+
+void do_destruct(int z) {
+ // CHECK: define void @_Z11do_destruct
+ do {
+ // CHECK: store i32 77
+ z = 77;
+ // CHECK: call void @_Z4getXv
+ // CHECK: call zeroext i1 @_ZN1XcvbEv
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: br
+ } while (getX());
+ // CHECK: store i32 99
+ z = 99;
+ // CHECK: ret
+}
+
+int f(X);
+
+template<typename T>
+int instantiated(T x) {
+ int result;
+
+ // CHECK: call void @_ZN1XC1ERKS_
+ // CHECK: call i32 @_Z1f1X
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: br
+ // CHECK: store i32 2
+ // CHECK: br
+ // CHECK: store i32 3
+ if (f(x)) { result = 2; } else { result = 3; }
+
+ // CHECK: call void @_ZN1XC1ERKS_
+ // CHECK: call i32 @_Z1f1X
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: br
+ // CHECK: store i32 4
+ // CHECK: br
+ while (f(x)) { result = 4; }
+
+ // CHECK: call void @_ZN1XC1ERKS_
+ // CHECK: call i32 @_Z1f1X
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: br
+ // CHECK: store i32 6
+ // CHECK: br
+ // CHECK: call void @_ZN1XC1ERKS_
+ // CHECK: call i32 @_Z1f1X
+ // CHECK: store i32 5
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: br
+ for (; f(x); f(x), result = 5) {
+ result = 6;
+ }
+
+ // CHECK: call void @_ZN1XC1ERKS_
+ // CHECK: call i32 @_Z1f1X
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: switch i32
+ // CHECK: store i32 7
+ // CHECK: store i32 8
+ switch (f(x)) {
+ case 0:
+ result = 7;
+ break;
+
+ case 1:
+ result = 8;
+ }
+
+ // CHECK: store i32 9
+ // CHECK: br
+ // CHECK: call void @_ZN1XC1ERKS_
+ // CHECK: call i32 @_Z1f1X
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: br
+ do {
+ result = 9;
+ } while (f(x));
+
+ // CHECK: store i32 10
+ // CHECK: call void @_ZN1XC1ERKS_
+ // CHECK: call zeroext i1 @_ZN1XcvbEv
+ // CHECK: call void @_ZN1XD1Ev
+ // CHECK: br
+ do {
+ result = 10;
+ } while (X(x));
+
+ // CHECK: ret i32
+ return result;
+}
+
+template int instantiated(X);
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