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265 lines
9.7 KiB
265 lines
9.7 KiB
4 months ago
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// RUN: %clang_cc1 -triple arm64-apple-ios11 -std=c++11 -fcxx-exceptions -fexceptions -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple arm64-apple-ios11 -std=c++11 -fcxx-exceptions -fexceptions -fclang-abi-compat=4.0 -emit-llvm -o - %s | FileCheck %s
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// CHECK: %[[STRUCT_SMALL:.*]] = type { i32* }
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// CHECK: %[[STRUCT_LARGE:.*]] = type { i32*, [128 x i32] }
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// CHECK: %[[STRUCT_TRIVIAL:.*]] = type { i32 }
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// CHECK: %[[STRUCT_NONTRIVIAL:.*]] = type { i32 }
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struct __attribute__((trivial_abi)) Small {
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int *p;
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Small();
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~Small();
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Small(const Small &) noexcept;
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Small &operator=(const Small &);
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};
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struct __attribute__((trivial_abi)) Large {
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int *p;
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int a[128];
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Large();
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~Large();
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Large(const Large &) noexcept;
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Large &operator=(const Large &);
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};
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struct Trivial {
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int a;
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};
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struct NonTrivial {
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NonTrivial();
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~NonTrivial();
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int a;
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};
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struct HasTrivial {
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Small s;
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Trivial m;
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};
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struct HasNonTrivial {
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Small s;
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NonTrivial m;
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};
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struct B0 {
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virtual Small m0();
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};
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struct B1 {
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virtual Small m0();
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};
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struct D0 : B0, B1 {
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Small m0() override;
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};
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// CHECK-LABEL: define i64 @_ZThn8_N2D02m0Ev(
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// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_SMALL]], align 8
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// CHECK: %[[CALL:.*]] = tail call i64 @_ZN2D02m0Ev(
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_SMALL]], %[[STRUCT_SMALL]]* %[[RETVAL]], i32 0, i32 0
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// CHECK: %[[COERCE_VAL_IP:.*]] = inttoptr i64 %[[CALL]] to i32*
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// CHECK: store i32* %[[COERCE_VAL_IP]], i32** %[[COERCE_DIVE]], align 8
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// CHECK: %[[COERCE_DIVE2:.*]] = getelementptr inbounds %[[STRUCT_SMALL]], %[[STRUCT_SMALL]]* %[[RETVAL]], i32 0, i32 0
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// CHECK: %[[V3:.*]] = load i32*, i32** %[[COERCE_DIVE2]], align 8
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// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i32* %[[V3]] to i64
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// CHECK: ret i64 %[[COERCE_VAL_PI]]
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Small D0::m0() { return {}; }
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// CHECK: define void @_Z14testParamSmall5Small(i64 %[[A_COERCE:.*]])
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// CHECK: %[[A:.*]] = alloca %[[STRUCT_SMALL]], align 8
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_SMALL]], %[[STRUCT_SMALL]]* %[[A]], i32 0, i32 0
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// CHECK: %[[COERCE_VAL_IP:.*]] = inttoptr i64 %[[A_COERCE]] to i32*
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// CHECK: store i32* %[[COERCE_VAL_IP]], i32** %[[COERCE_DIVE]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_SMALL]]* @_ZN5SmallD1Ev(%[[STRUCT_SMALL]]* {{[^,]*}} %[[A]])
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// CHECK: ret void
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// CHECK: }
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void testParamSmall(Small a) noexcept {
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}
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// CHECK: define i64 @_Z15testReturnSmallv()
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// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_SMALL:.*]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_SMALL]]* @_ZN5SmallC1Ev(%[[STRUCT_SMALL]]* {{[^,]*}} %[[RETVAL]])
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_SMALL]], %[[STRUCT_SMALL]]* %[[RETVAL]], i32 0, i32 0
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// CHECK: %[[V0:.*]] = load i32*, i32** %[[COERCE_DIVE]], align 8
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// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i32* %[[V0]] to i64
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// CHECK: ret i64 %[[COERCE_VAL_PI]]
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// CHECK: }
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Small testReturnSmall() {
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Small t;
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return t;
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}
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// CHECK: define void @_Z14testCallSmall0v()
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// CHECK: %[[T:.*]] = alloca %[[STRUCT_SMALL:.*]], align 8
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_SMALL]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_SMALL]]* @_ZN5SmallC1Ev(%[[STRUCT_SMALL]]* {{[^,]*}} %[[T]])
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// CHECK: %[[CALL1:.*]] = call %[[STRUCT_SMALL]]* @_ZN5SmallC1ERKS_(%[[STRUCT_SMALL]]* {{[^,]*}} %[[AGG_TMP]], %[[STRUCT_SMALL]]* nonnull align 8 dereferenceable(8) %[[T]])
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_SMALL]], %[[STRUCT_SMALL]]* %[[AGG_TMP]], i32 0, i32 0
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// CHECK: %[[V0:.*]] = load i32*, i32** %[[COERCE_DIVE]], align 8
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// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i32* %[[V0]] to i64
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// CHECK: call void @_Z14testParamSmall5Small(i64 %[[COERCE_VAL_PI]])
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// CHECK: %[[CALL2:.*]] = call %[[STRUCT_SMALL]]* @_ZN5SmallD1Ev(%[[STRUCT_SMALL]]* {{[^,]*}} %[[T]])
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// CHECK: ret void
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// CHECK: }
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void testCallSmall0() {
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Small t;
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testParamSmall(t);
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}
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// CHECK: define void @_Z14testCallSmall1v()
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_SMALL:.*]], align 8
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// CHECK: %[[CALL:.*]] = call i64 @_Z15testReturnSmallv()
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_SMALL]], %[[STRUCT_SMALL]]* %[[AGG_TMP]], i32 0, i32 0
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// CHECK: %[[COERCE_VAL_IP:.*]] = inttoptr i64 %[[CALL]] to i32*
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// CHECK: store i32* %[[COERCE_VAL_IP]], i32** %[[COERCE_DIVE]], align 8
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// CHECK: %[[COERCE_DIVE1:.*]] = getelementptr inbounds %[[STRUCT_SMALL]], %[[STRUCT_SMALL]]* %[[AGG_TMP]], i32 0, i32 0
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// CHECK: %[[V0:.*]] = load i32*, i32** %[[COERCE_DIVE1]], align 8
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// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i32* %[[V0]] to i64
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// CHECK: call void @_Z14testParamSmall5Small(i64 %[[COERCE_VAL_PI]])
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// CHECK: ret void
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// CHECK: }
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void testCallSmall1() {
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testParamSmall(testReturnSmall());
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}
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// CHECK: define void @_Z16testIgnoredSmallv()
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// CHECK: %[[AGG_TMP_ENSURED:.*]] = alloca %[[STRUCT_SMALL:.*]], align 8
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// CHECK: %[[CALL:.*]] = call i64 @_Z15testReturnSmallv()
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_SMALL]], %[[STRUCT_SMALL]]* %[[AGG_TMP_ENSURED]], i32 0, i32 0
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// CHECK: %[[COERCE_VAL_IP:.*]] = inttoptr i64 %[[CALL]] to i32*
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// CHECK: store i32* %[[COERCE_VAL_IP]], i32** %[[COERCE_DIVE]], align 8
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// CHECK: %[[CALL1:.*]] = call %[[STRUCT_SMALL]]* @_ZN5SmallD1Ev(%[[STRUCT_SMALL]]* {{[^,]*}} %[[AGG_TMP_ENSURED]])
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// CHECK: ret void
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// CHECK: }
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void testIgnoredSmall() {
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testReturnSmall();
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}
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// CHECK: define void @_Z14testParamLarge5Large(%[[STRUCT_LARGE:.*]]* %[[A:.*]])
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_LARGE]]* @_ZN5LargeD1Ev(%[[STRUCT_LARGE]]* {{[^,]*}} %[[A]])
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// CHECK: ret void
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// CHECK: }
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void testParamLarge(Large a) noexcept {
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}
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// CHECK: define void @_Z15testReturnLargev(%[[STRUCT_LARGE:.*]]* noalias sret(%[[STRUCT_LARGE]]) align 8 %[[AGG_RESULT:.*]])
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_LARGE]]* @_ZN5LargeC1Ev(%[[STRUCT_LARGE]]* {{[^,]*}} %[[AGG_RESULT]])
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// CHECK: ret void
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// CHECK: }
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Large testReturnLarge() {
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Large t;
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return t;
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}
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// CHECK: define void @_Z14testCallLarge0v()
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// CHECK: %[[T:.*]] = alloca %[[STRUCT_LARGE:.*]], align 8
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_LARGE]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_LARGE]]* @_ZN5LargeC1Ev(%[[STRUCT_LARGE]]* {{[^,]*}} %[[T]])
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// CHECK: %[[CALL1:.*]] = call %[[STRUCT_LARGE]]* @_ZN5LargeC1ERKS_(%[[STRUCT_LARGE]]* {{[^,]*}} %[[AGG_TMP]], %[[STRUCT_LARGE]]* nonnull align 8 dereferenceable(520) %[[T]])
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// CHECK: call void @_Z14testParamLarge5Large(%[[STRUCT_LARGE]]* %[[AGG_TMP]])
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// CHECK: %[[CALL2:.*]] = call %[[STRUCT_LARGE]]* @_ZN5LargeD1Ev(%[[STRUCT_LARGE]]* {{[^,]*}} %[[T]])
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// CHECK: ret void
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// CHECK: }
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void testCallLarge0() {
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Large t;
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testParamLarge(t);
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}
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// CHECK: define void @_Z14testCallLarge1v()
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_LARGE:.*]], align 8
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// CHECK: call void @_Z15testReturnLargev(%[[STRUCT_LARGE]]* sret(%[[STRUCT_LARGE]]) align 8 %[[AGG_TMP]])
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// CHECK: call void @_Z14testParamLarge5Large(%[[STRUCT_LARGE]]* %[[AGG_TMP]])
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// CHECK: ret void
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// CHECK: }
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void testCallLarge1() {
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testParamLarge(testReturnLarge());
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}
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// CHECK: define void @_Z16testIgnoredLargev()
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// CHECK: %[[AGG_TMP_ENSURED:.*]] = alloca %[[STRUCT_LARGE:.*]], align 8
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// CHECK: call void @_Z15testReturnLargev(%[[STRUCT_LARGE]]* sret(%[[STRUCT_LARGE]]) align 8 %[[AGG_TMP_ENSURED]])
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_LARGE]]* @_ZN5LargeD1Ev(%[[STRUCT_LARGE]]* {{[^,]*}} %[[AGG_TMP_ENSURED]])
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// CHECK: ret void
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// CHECK: }
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void testIgnoredLarge() {
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testReturnLarge();
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}
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// CHECK: define i64 @_Z20testReturnHasTrivialv()
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// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_TRIVIAL:.*]], align 4
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_TRIVIAL]], %[[STRUCT_TRIVIAL]]* %[[RETVAL]], i32 0, i32 0
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// CHECK: %[[V0:.*]] = load i32, i32* %[[COERCE_DIVE]], align 4
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// CHECK: %[[COERCE_VAL_II:.*]] = zext i32 %[[V0]] to i64
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// CHECK: ret i64 %[[COERCE_VAL_II]]
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// CHECK: }
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Trivial testReturnHasTrivial() {
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Trivial t;
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return t;
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}
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// CHECK: define void @_Z23testReturnHasNonTrivialv(%[[STRUCT_NONTRIVIAL:.*]]* noalias sret(%[[STRUCT_NONTRIVIAL]]) align 4 %[[AGG_RESULT:.*]])
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_NONTRIVIAL]]* @_ZN10NonTrivialC1Ev(%[[STRUCT_NONTRIVIAL]]* {{[^,]*}} %[[AGG_RESULT]])
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// CHECK: ret void
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// CHECK: }
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NonTrivial testReturnHasNonTrivial() {
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NonTrivial t;
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return t;
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}
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// CHECK: define void @_Z18testExceptionSmallv()
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_SMALL]], align 8
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// CHECK: %[[AGG_TMP1:.*]] = alloca %[[STRUCT_SMALL]], align 8
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// CHECK: call %[[STRUCT_SMALL]]* @_ZN5SmallC1Ev(%[[STRUCT_SMALL]]* {{[^,]*}} %[[AGG_TMP]])
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// CHECK: invoke %[[STRUCT_SMALL]]* @_ZN5SmallC1Ev(%[[STRUCT_SMALL]]* {{[^,]*}} %[[AGG_TMP1]])
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// CHECK: call void @_Z20calleeExceptionSmall5SmallS_(i64 %{{.*}}, i64 %{{.*}})
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// CHECK-NEXT: ret void
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// CHECK: landingpad { i8*, i32 }
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// CHECK: call %[[STRUCT_SMALL]]* @_ZN5SmallD1Ev(%[[STRUCT_SMALL]]* {{[^,]*}} %[[AGG_TMP]])
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// CHECK: br
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// CHECK: resume { i8*, i32 }
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void calleeExceptionSmall(Small, Small);
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void testExceptionSmall() {
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calleeExceptionSmall(Small(), Small());
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}
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// CHECK: define void @_Z18testExceptionLargev()
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_LARGE]], align 8
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// CHECK: %[[AGG_TMP1:.*]] = alloca %[[STRUCT_LARGE]], align 8
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// CHECK: call %[[STRUCT_LARGE]]* @_ZN5LargeC1Ev(%[[STRUCT_LARGE]]* {{[^,]*}} %[[AGG_TMP]])
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// CHECK: invoke %[[STRUCT_LARGE]]* @_ZN5LargeC1Ev(%[[STRUCT_LARGE]]* {{[^,]*}} %[[AGG_TMP1]])
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// CHECK: call void @_Z20calleeExceptionLarge5LargeS_(%[[STRUCT_LARGE]]* %[[AGG_TMP]], %[[STRUCT_LARGE]]* %[[AGG_TMP1]])
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// CHECK-NEXT: ret void
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// CHECK: landingpad { i8*, i32 }
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// CHECK: call %[[STRUCT_LARGE]]* @_ZN5LargeD1Ev(%[[STRUCT_LARGE]]* {{[^,]*}} %[[AGG_TMP]])
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// CHECK: br
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// CHECK: resume { i8*, i32 }
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void calleeExceptionLarge(Large, Large);
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void testExceptionLarge() {
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calleeExceptionLarge(Large(), Large());
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}
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