263 lines
8.9 KiB
C
263 lines
8.9 KiB
C
// RUN: %clang_cc1 -triple armv7-apple-darwin -target-abi aapcs -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple armv7-apple-darwin -target-abi apcs-gnu -emit-llvm -o - %s | FileCheck -check-prefix=APCS-GNU %s
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#include <stdarg.h>
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typedef __attribute__(( ext_vector_type(2) )) int __int2;
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typedef __attribute__(( ext_vector_type(3) )) char __char3;
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typedef __attribute__(( ext_vector_type(5) )) char __char5;
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typedef __attribute__(( ext_vector_type(9) )) char __char9;
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typedef __attribute__(( ext_vector_type(19) )) char __char19;
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typedef __attribute__(( ext_vector_type(3) )) short __short3;
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typedef __attribute__(( ext_vector_type(5) )) short __short5;
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// Passing legal vector types as varargs.
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double varargs_vec_2i(int fixed, ...) {
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// CHECK: varargs_vec_2i
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// CHECK: alloca <2 x i32>, align 8
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// CHECK: [[ALIGN:%.*]] = and i32 [[VAR:%.*]], -8
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// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
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// CHECK: [[AP_NEXT:%.*]] = getelementptr i8* [[AP_ALIGN]], i32 8
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// CHECK: bitcast i8* [[AP_ALIGN]] to <2 x i32>*
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// APCS-GNU: varargs_vec_2i
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// APCS-GNU: alloca <2 x i32>, align 8
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// APCS-GNU: [[VAR_ALIGN:%.*]] = alloca <2 x i32>
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// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr i8* {{%.*}}, i32 8
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// APCS-GNU: bitcast <2 x i32>* [[VAR_ALIGN]] to i8*
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// APCS-GNU: call void @llvm.memcpy
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// APCS-GNU: load <2 x i32>* [[VAR_ALIGN]]
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va_list ap;
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double sum = fixed;
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va_start(ap, fixed);
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__int2 c3 = va_arg(ap, __int2);
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sum = sum + c3.x + c3.y;
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va_end(ap);
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return sum;
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}
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double test_2i(__int2 *in) {
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// CHECK: test_2i
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// CHECK: call arm_aapcscc double (i32, ...)* @varargs_vec_2i(i32 3, <2 x i32> {{%.*}})
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// APCS-GNU: test_2i
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// APCS-GNU: call double (i32, ...)* @varargs_vec_2i(i32 3, <2 x i32> {{%.*}})
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return varargs_vec_2i(3, *in);
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}
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double varargs_vec_3c(int fixed, ...) {
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// CHECK: varargs_vec_3c
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// CHECK: alloca <3 x i8>, align 4
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// CHECK: [[AP_NEXT:%.*]] = getelementptr i8* [[AP:%.*]], i32 4
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// CHECK: bitcast i8* [[AP]] to <3 x i8>*
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// APCS-GNU: varargs_vec_3c
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// APCS-GNU: alloca <3 x i8>, align 4
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// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr i8* [[AP:%.*]], i32 4
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// APCS-GNU: bitcast i8* [[AP]] to <3 x i8>*
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va_list ap;
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double sum = fixed;
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va_start(ap, fixed);
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__char3 c3 = va_arg(ap, __char3);
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sum = sum + c3.x + c3.y;
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va_end(ap);
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return sum;
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}
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double test_3c(__char3 *in) {
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// CHECK: test_3c
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// CHECK: call arm_aapcscc double (i32, ...)* @varargs_vec_3c(i32 3, i32 {{%.*}})
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// APCS-GNU: test_3c
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// APCS-GNU: call double (i32, ...)* @varargs_vec_3c(i32 3, i32 {{%.*}})
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return varargs_vec_3c(3, *in);
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}
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double varargs_vec_5c(int fixed, ...) {
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// CHECK: varargs_vec_5c
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// CHECK: alloca <5 x i8>, align 8
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// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
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// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
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// CHECK: [[AP_NEXT:%.*]] = getelementptr i8* [[AP_ALIGN]], i32 8
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// CHECK: bitcast i8* [[AP_ALIGN]] to <5 x i8>*
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// APCS-GNU: varargs_vec_5c
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// APCS-GNU: alloca <5 x i8>, align 8
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// APCS-GNU: [[VAR_ALIGN:%.*]] = alloca <5 x i8>
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// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr i8* {{%.*}}, i32 8
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// APCS-GNU: bitcast <5 x i8>* [[VAR_ALIGN]] to i8*
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// APCS-GNU: call void @llvm.memcpy
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// APCS-GNU: load <5 x i8>* [[VAR_ALIGN]]
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va_list ap;
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double sum = fixed;
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va_start(ap, fixed);
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__char5 c5 = va_arg(ap, __char5);
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sum = sum + c5.x + c5.y;
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va_end(ap);
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return sum;
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}
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double test_5c(__char5 *in) {
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// CHECK: test_5c
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// CHECK: call arm_aapcscc double (i32, ...)* @varargs_vec_5c(i32 5, <2 x i32> {{%.*}})
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// APCS-GNU: test_5c
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// APCS-GNU: call double (i32, ...)* @varargs_vec_5c(i32 5, <2 x i32> {{%.*}})
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return varargs_vec_5c(5, *in);
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}
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double varargs_vec_9c(int fixed, ...) {
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// CHECK: varargs_vec_9c
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// CHECK: alloca <9 x i8>, align 16
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// CHECK: [[VAR_ALIGN:%.*]] = alloca <9 x i8>
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// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
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// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
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// CHECK: [[AP_NEXT:%.*]] = getelementptr i8* [[AP_ALIGN]], i32 16
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// CHECK: bitcast <9 x i8>* [[VAR_ALIGN]] to i8*
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// CHECK: call void @llvm.memcpy
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// CHECK: load <9 x i8>* [[VAR_ALIGN]]
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// APCS-GNU: varargs_vec_9c
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// APCS-GNU: alloca <9 x i8>, align 16
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// APCS-GNU: [[VAR_ALIGN:%.*]] = alloca <9 x i8>
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// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr i8* {{%.*}}, i32 16
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// APCS-GNU: bitcast <9 x i8>* [[VAR_ALIGN]] to i8*
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// APCS-GNU: call void @llvm.memcpy
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// APCS-GNU: load <9 x i8>* [[VAR_ALIGN]]
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va_list ap;
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double sum = fixed;
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va_start(ap, fixed);
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__char9 c9 = va_arg(ap, __char9);
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sum = sum + c9.x + c9.y;
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va_end(ap);
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return sum;
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}
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double test_9c(__char9 *in) {
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// CHECK: test_9c
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// CHECK: call arm_aapcscc double (i32, ...)* @varargs_vec_9c(i32 9, <4 x i32> {{%.*}})
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// APCS-GNU: test_9c
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// APCS-GNU: call double (i32, ...)* @varargs_vec_9c(i32 9, <4 x i32> {{%.*}})
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return varargs_vec_9c(9, *in);
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}
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double varargs_vec_19c(int fixed, ...) {
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// CHECK: varargs_vec_19c
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// CHECK: [[AP_NEXT:%.*]] = getelementptr i8* [[AP:%.*]], i32 4
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// CHECK: [[VAR:%.*]] = bitcast i8* [[AP]] to i8**
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// CHECK: [[VAR2:%.*]] = load i8** [[VAR]]
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// CHECK: bitcast i8* [[VAR2]] to <19 x i8>*
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// APCS-GNU: varargs_vec_19c
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// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr i8* [[AP:%.*]], i32 4
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// APCS-GNU: [[VAR:%.*]] = bitcast i8* [[AP]] to i8**
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// APCS-GNU: [[VAR2:%.*]] = load i8** [[VAR]]
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// APCS-GNU: bitcast i8* [[VAR2]] to <19 x i8>*
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va_list ap;
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double sum = fixed;
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va_start(ap, fixed);
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__char19 c19 = va_arg(ap, __char19);
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sum = sum + c19.x + c19.y;
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va_end(ap);
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return sum;
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}
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double test_19c(__char19 *in) {
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// CHECK: test_19c
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// CHECK: call arm_aapcscc double (i32, ...)* @varargs_vec_19c(i32 19, <19 x i8>* {{%.*}})
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// APCS-GNU: test_19c
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// APCS-GNU: call double (i32, ...)* @varargs_vec_19c(i32 19, <19 x i8>* {{%.*}})
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return varargs_vec_19c(19, *in);
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}
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double varargs_vec_3s(int fixed, ...) {
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// CHECK: varargs_vec_3s
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// CHECK: alloca <3 x i16>, align 8
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// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
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// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
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// CHECK: [[AP_NEXT:%.*]] = getelementptr i8* [[AP_ALIGN]], i32 8
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// CHECK: bitcast i8* [[AP_ALIGN]] to <3 x i16>*
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// APCS-GNU: varargs_vec_3s
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// APCS-GNU: alloca <3 x i16>, align 8
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// APCS-GNU: [[VAR_ALIGN:%.*]] = alloca <3 x i16>
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// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr i8* {{%.*}}, i32 8
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// APCS-GNU: bitcast <3 x i16>* [[VAR_ALIGN]] to i8*
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// APCS-GNU: call void @llvm.memcpy
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// APCS-GNU: load <3 x i16>* [[VAR_ALIGN]]
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va_list ap;
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double sum = fixed;
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va_start(ap, fixed);
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__short3 c3 = va_arg(ap, __short3);
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sum = sum + c3.x + c3.y;
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va_end(ap);
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return sum;
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}
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double test_3s(__short3 *in) {
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// CHECK: test_3s
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// CHECK: call arm_aapcscc double (i32, ...)* @varargs_vec_3s(i32 3, <2 x i32> {{%.*}})
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// APCS-GNU: test_3s
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// APCS-GNU: call double (i32, ...)* @varargs_vec_3s(i32 3, <2 x i32> {{%.*}})
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return varargs_vec_3s(3, *in);
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}
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double varargs_vec_5s(int fixed, ...) {
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// CHECK: varargs_vec_5s
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// CHECK: alloca <5 x i16>, align 16
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// CHECK: [[VAR_ALIGN:%.*]] = alloca <5 x i16>
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// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
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// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
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// CHECK: [[AP_NEXT:%.*]] = getelementptr i8* [[AP_ALIGN]], i32 16
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// CHECK: bitcast <5 x i16>* [[VAR_ALIGN]] to i8*
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// CHECK: call void @llvm.memcpy
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// CHECK: load <5 x i16>* [[VAR_ALIGN]]
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// APCS-GNU: varargs_vec_5s
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// APCS-GNU: alloca <5 x i16>, align 16
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// APCS-GNU: [[VAR_ALIGN:%.*]] = alloca <5 x i16>
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// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr i8* {{%.*}}, i32 16
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// APCS-GNU: bitcast <5 x i16>* [[VAR_ALIGN]] to i8*
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// APCS-GNU: call void @llvm.memcpy
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// APCS-GNU: load <5 x i16>* [[VAR_ALIGN]]
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va_list ap;
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double sum = fixed;
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va_start(ap, fixed);
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__short5 c5 = va_arg(ap, __short5);
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sum = sum + c5.x + c5.y;
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va_end(ap);
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return sum;
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}
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double test_5s(__short5 *in) {
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// CHECK: test_5s
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// CHECK: call arm_aapcscc double (i32, ...)* @varargs_vec_5s(i32 5, <4 x i32> {{%.*}})
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// APCS-GNU: test_5s
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// APCS-GNU: call double (i32, ...)* @varargs_vec_5s(i32 5, <4 x i32> {{%.*}})
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return varargs_vec_5s(5, *in);
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}
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// Pass struct as varargs.
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typedef struct
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{
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__int2 i2;
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float f;
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} StructWithVec;
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double varargs_struct(int fixed, ...) {
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// CHECK: varargs_struct
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// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
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// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
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// CHECK: [[AP_NEXT:%.*]] = getelementptr i8* [[AP_ALIGN]], i32 16
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// CHECK: bitcast i8* [[AP_ALIGN]] to %struct.StructWithVec*
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// APCS-GNU: varargs_struct
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// APCS-GNU: [[VAR_ALIGN:%.*]] = alloca %struct.StructWithVec
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// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr i8* {{%.*}}, i32 16
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// APCS-GNU: bitcast %struct.StructWithVec* [[VAR_ALIGN]] to i8*
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// APCS-GNU: call void @llvm.memcpy
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va_list ap;
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double sum = fixed;
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va_start(ap, fixed);
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StructWithVec c3 = va_arg(ap, StructWithVec);
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sum = sum + c3.i2.x + c3.i2.y + c3.f;
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va_end(ap);
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return sum;
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}
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double test_struct(StructWithVec* d) {
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// CHECK: test_struct
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// CHECK: call arm_aapcscc double (i32, ...)* @varargs_struct(i32 3, [2 x i64] {{%.*}})
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// APCS-GNU: test_struct
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// APCS-GNU: call double (i32, ...)* @varargs_struct(i32 3, [2 x i64] {{%.*}})
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return varargs_struct(3, *d);
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}
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