forked from OSchip/llvm-project
197 lines
6.3 KiB
C++
197 lines
6.3 KiB
C++
// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10 -o - %s | FileCheck %s
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// PR6024
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extern int i;
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// CHECK: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i32* @_Z16lvalue_noop_castv() [[NUW:#[0-9]+]]
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const int &lvalue_noop_cast() {
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if (i == 0)
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// CHECK: store i32 17, i32*
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return (const int&)17;
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else if (i == 1)
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// CHECK: store i32 17, i32*
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return static_cast<const int&>(17);
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// CHECK: store i32 17, i32*
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return 17;
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}
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// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i16* @_Z20lvalue_integral_castv()
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const short &lvalue_integral_cast() {
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if (i == 0)
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// CHECK: store i16 17, i16*
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return (const short&)17;
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else if (i == 1)
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// CHECK: store i16 17, i16*
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return static_cast<const short&>(17);
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// CHECK: store i16 17, i16*
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return 17;
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}
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// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i16* @_Z29lvalue_floating_integral_castv()
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const short &lvalue_floating_integral_cast() {
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if (i == 0)
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// CHECK: store i16 17, i16*
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return (const short&)17.5;
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else if (i == 1)
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// CHECK: store i16 17, i16*
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return static_cast<const short&>(17.5);
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// CHECK: store i16 17, i16*
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return 17.5;
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}
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// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) float* @_Z29lvalue_integral_floating_castv()
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const float &lvalue_integral_floating_cast() {
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if (i == 0)
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// CHECK: store float 1.700000e+{{0*}}1, float*
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return (const float&)17;
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else if (i == 1)
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// CHECK: store float 1.700000e+{{0*}}1, float*
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return static_cast<const float&>(17);
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// CHECK: store float 1.700000e+{{0*}}1, float*
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return 17;
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}
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// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) float* @_Z20lvalue_floating_castv()
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const float &lvalue_floating_cast() {
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if (i == 0)
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// CHECK: store float 1.700000e+{{0*}}1, float*
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return (const float&)17.0;
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else if (i == 1)
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// CHECK: store float 1.700000e+{{0*}}1, float*
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return static_cast<const float&>(17.0);
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// CHECK: store float 1.700000e+{{0*}}1, float*
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return 17.0;
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}
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int get_int();
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// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i8* @_Z24lvalue_integer_bool_castv()
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const bool &lvalue_integer_bool_cast() {
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if (i == 0)
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// CHECK: call noundef i32 @_Z7get_intv()
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// CHECK: store i8
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return (const bool&)get_int();
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else if (i == 1)
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// CHECK: call noundef i32 @_Z7get_intv()
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// CHECK: store i8
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return static_cast<const bool&>(get_int());
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// CHECK: call noundef i32 @_Z7get_intv()
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// CHECK: store i8
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return get_int();
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}
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float get_float();
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// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i8* @_Z25lvalue_floating_bool_castv()
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const bool &lvalue_floating_bool_cast() {
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if (i == 0)
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// CHECK: call noundef float @_Z9get_floatv()
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// CHECK: fcmp une float
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// CHECK: store i8
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return (const bool&)get_float();
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else if (i == 1)
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// CHECK: call noundef float @_Z9get_floatv()
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// CHECK: fcmp une float
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// CHECK: store i8
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return static_cast<const bool&>(get_float());
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// CHECK: call noundef float @_Z9get_floatv()
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// CHECK: fcmp une float
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// CHECK: store i8
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return get_float();
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}
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struct X { };
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typedef int X::*pm;
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typedef int (X::*pmf)(int);
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pm get_pointer_to_member_data();
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pmf get_pointer_to_member_function();
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// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i8* @_Z26lvalue_ptrmem_to_bool_castv()
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const bool &lvalue_ptrmem_to_bool_cast() {
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if (i == 0)
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// CHECK: call i64 @_Z26get_pointer_to_member_datav()
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// CHECK: store i8
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// CHECK: store i8*
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return (const bool&)get_pointer_to_member_data();
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else if (i == 1)
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// CHECK: call i64 @_Z26get_pointer_to_member_datav()
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// CHECK: store i8
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// CHECK: store i8*
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return static_cast<const bool&>(get_pointer_to_member_data());
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// CHECK: call i64 @_Z26get_pointer_to_member_datav()
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// CHECK: store i8
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// CHECK: store i8*
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return get_pointer_to_member_data();
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}
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// CHECK-LABEL: define{{.*}} nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) i8* @_Z27lvalue_ptrmem_to_bool_cast2v
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const bool &lvalue_ptrmem_to_bool_cast2() {
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if (i == 0)
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// CHECK: {{call.*_Z30get_pointer_to_member_functionv}}
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// CHECK: store i8
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// CHECK: store i8*
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return (const bool&)get_pointer_to_member_function();
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else if (i == 1)
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// CHECK: {{call.*_Z30get_pointer_to_member_functionv}}
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// CHECK: store i8
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// CHECK: store i8*
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return static_cast<const bool&>(get_pointer_to_member_function());
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// CHECK: {{call.*_Z30get_pointer_to_member_functionv}}
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// CHECK: store i8
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// CHECK: store i8*
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return get_pointer_to_member_function();
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}
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_Complex double get_complex_double();
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// CHECK: {{define.*_Z2f1v}}
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const _Complex float &f1() {
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if (i == 0)
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// CHECK: {{call.*_Z18get_complex_doublev}}
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// CHECK: fptrunc
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// CHECK: fptrunc
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// CHECK: store float
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// CHECK: store float
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return (const _Complex float&)get_complex_double();
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else if (i == 1)
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// CHECK: {{call.*_Z18get_complex_doublev}}
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// CHECK: fptrunc
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// CHECK: fptrunc
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// CHECK: store float
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// CHECK: store float
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return static_cast<const _Complex float&>(get_complex_double());
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// CHECK: {{call.*_Z18get_complex_doublev}}
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// CHECK: fptrunc
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// CHECK: fptrunc
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// CHECK: store float
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// CHECK: store float
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return get_complex_double();
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}
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// CHECK-LABEL: define{{.*}} i32 @_Z7pr10592RKi(i32*
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unsigned pr10592(const int &v) {
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// CHECK: [[VADDR:%[a-zA-Z0-9.]+]] = alloca i32*
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// CHECK-NEXT: [[REFTMP:%[a-zA-Z0-9.]+]] = alloca i32
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// CHECK-NEXT: store i32* [[V:%[a-zA-Z0-9.]+]], i32** [[VADDR]]
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// CHECK-NEXT: [[VADDR_1:%[a-zA-Z0-9.]+]] = load i32*, i32** [[VADDR]]
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// CHECK-NEXT: [[VVAL:%[a-zA-Z0-9.]+]] = load i32, i32* [[VADDR_1]]
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// CHECK-NEXT: store i32 [[VVAL]], i32* [[REFTMP]]
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// CHECK-NEXT: [[VVAL_I:%[a-zA-Z0-9.]+]] = load i32, i32* [[REFTMP]]
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// CHECK-NEXT: ret i32 [[VVAL_I]]
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return static_cast<const unsigned &>(v);
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}
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namespace PR10650 {
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struct Helper {
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unsigned long long id();
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};
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unsigned long long test(Helper *obj) {
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return static_cast<const unsigned long long&>(obj->id());
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}
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// CHECK-LABEL: define{{.*}} i64 @_ZN7PR106504testEPNS_6HelperE
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// CHECK: store i64
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}
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// CHECK: attributes [[NUW]] = { mustprogress noinline nounwind{{.*}} }
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