forked from OSchip/llvm-project
173 lines
6.5 KiB
C
173 lines
6.5 KiB
C
// RUN: %clang_cc1 -target-feature +altivec -triple powerpc64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
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#include <stdarg.h>
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struct test1 { int x; int y; };
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struct test2 { int x; int y; } __attribute__((aligned (16)));
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struct test3 { int x; int y; } __attribute__((aligned (32)));
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struct test4 { int x; int y; int z; };
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struct test5 { int x[17]; };
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struct test6 { int x[17]; } __attribute__((aligned (16)));
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struct test7 { int x[17]; } __attribute__((aligned (32)));
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// CHECK: define void @test1(i32 signext %x, i64 %y.coerce)
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void test1 (int x, struct test1 y)
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{
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}
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// CHECK: define void @test2(i32 signext %x, [1 x i128] %y.coerce)
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void test2 (int x, struct test2 y)
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{
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}
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// CHECK: define void @test3(i32 signext %x, [2 x i128] %y.coerce)
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void test3 (int x, struct test3 y)
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{
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}
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// CHECK: define void @test4(i32 signext %x, [2 x i64] %y.coerce)
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void test4 (int x, struct test4 y)
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{
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}
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// CHECK: define void @test5(i32 signext %x, %struct.test5* byval(%struct.test5) align 8 %y)
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void test5 (int x, struct test5 y)
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{
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}
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// CHECK: define void @test6(i32 signext %x, %struct.test6* byval(%struct.test6) align 16 %y)
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void test6 (int x, struct test6 y)
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{
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}
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// This case requires run-time realignment of the incoming struct
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// CHECK-LABEL: define void @test7(i32 signext %x, %struct.test7* byval(%struct.test7) align 16 %0)
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// CHECK: %y = alloca %struct.test7, align 32
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
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void test7 (int x, struct test7 y)
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{
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}
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// CHECK: define void @test1va(%struct.test1* noalias sret %[[AGG_RESULT:.*]], i32 signext %x, ...)
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// CHECK: %[[CUR:[^ ]+]] = load i8*, i8** %ap
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// CHECK: %[[NEXT:[^ ]+]] = getelementptr inbounds i8, i8* %[[CUR]], i64 8
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// CHECK: store i8* %[[NEXT]], i8** %ap
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// CHECK: [[T0:%.*]] = bitcast i8* %[[CUR]] to %struct.test1*
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// CHECK: [[DEST:%.*]] = bitcast %struct.test1* %[[AGG_RESULT]] to i8*
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// CHECK: [[SRC:%.*]] = bitcast %struct.test1* [[T0]] to i8*
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 [[DEST]], i8* align 8 [[SRC]], i64 8, i1 false)
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struct test1 test1va (int x, ...)
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{
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struct test1 y;
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va_list ap;
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va_start(ap, x);
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y = va_arg (ap, struct test1);
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va_end(ap);
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return y;
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}
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// CHECK: define void @test2va(%struct.test2* noalias sret %[[AGG_RESULT:.*]], i32 signext %x, ...)
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// CHECK: %[[CUR:[^ ]+]] = load i8*, i8** %ap
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// CHECK: %[[TMP0:[^ ]+]] = ptrtoint i8* %[[CUR]] to i64
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// CHECK: %[[TMP1:[^ ]+]] = add i64 %[[TMP0]], 15
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// CHECK: %[[TMP2:[^ ]+]] = and i64 %[[TMP1]], -16
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// CHECK: %[[ALIGN:[^ ]+]] = inttoptr i64 %[[TMP2]] to i8*
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// CHECK: %[[NEXT:[^ ]+]] = getelementptr inbounds i8, i8* %[[ALIGN]], i64 16
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// CHECK: store i8* %[[NEXT]], i8** %ap
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// CHECK: [[T0:%.*]] = bitcast i8* %[[ALIGN]] to %struct.test2*
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// CHECK: [[DEST:%.*]] = bitcast %struct.test2* %[[AGG_RESULT]] to i8*
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// CHECK: [[SRC:%.*]] = bitcast %struct.test2* [[T0]] to i8*
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[DEST]], i8* align 16 [[SRC]], i64 16, i1 false)
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struct test2 test2va (int x, ...)
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{
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struct test2 y;
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va_list ap;
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va_start(ap, x);
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y = va_arg (ap, struct test2);
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va_end(ap);
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return y;
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}
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// CHECK: define void @test3va(%struct.test3* noalias sret %[[AGG_RESULT:.*]], i32 signext %x, ...)
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// CHECK: %[[CUR:[^ ]+]] = load i8*, i8** %ap
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// CHECK: %[[TMP0:[^ ]+]] = ptrtoint i8* %[[CUR]] to i64
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// CHECK: %[[TMP1:[^ ]+]] = add i64 %[[TMP0]], 15
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// CHECK: %[[TMP2:[^ ]+]] = and i64 %[[TMP1]], -16
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// CHECK: %[[ALIGN:[^ ]+]] = inttoptr i64 %[[TMP2]] to i8*
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// CHECK: %[[NEXT:[^ ]+]] = getelementptr inbounds i8, i8* %[[ALIGN]], i64 32
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// CHECK: store i8* %[[NEXT]], i8** %ap
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// CHECK: [[T0:%.*]] = bitcast i8* %[[ALIGN]] to %struct.test3*
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// CHECK: [[DEST:%.*]] = bitcast %struct.test3* %[[AGG_RESULT]] to i8*
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// CHECK: [[SRC:%.*]] = bitcast %struct.test3* [[T0]] to i8*
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 32 [[DEST]], i8* align 16 [[SRC]], i64 32, i1 false)
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struct test3 test3va (int x, ...)
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{
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struct test3 y;
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va_list ap;
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va_start(ap, x);
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y = va_arg (ap, struct test3);
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va_end(ap);
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return y;
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}
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// CHECK: define void @test4va(%struct.test4* noalias sret %[[AGG_RESULT:.*]], i32 signext %x, ...)
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// CHECK: %[[CUR:[^ ]+]] = load i8*, i8** %ap
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// CHECK: %[[NEXT:[^ ]+]] = getelementptr inbounds i8, i8* %[[CUR]], i64 16
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// CHECK: store i8* %[[NEXT]], i8** %ap
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// CHECK: [[T0:%.*]] = bitcast i8* %[[CUR]] to %struct.test4*
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// CHECK: [[DEST:%.*]] = bitcast %struct.test4* %[[AGG_RESULT]] to i8*
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// CHECK: [[SRC:%.*]] = bitcast %struct.test4* [[T0]] to i8*
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 [[DEST]], i8* align 8 [[SRC]], i64 12, i1 false)
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struct test4 test4va (int x, ...)
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{
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struct test4 y;
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va_list ap;
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va_start(ap, x);
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y = va_arg (ap, struct test4);
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va_end(ap);
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return y;
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}
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// CHECK: define void @testva_longdouble(%struct.test_longdouble* noalias sret %[[AGG_RESULT:.*]], i32 signext %x, ...)
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// CHECK: %[[CUR:[^ ]+]] = load i8*, i8** %ap
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// CHECK: %[[NEXT:[^ ]+]] = getelementptr inbounds i8, i8* %[[CUR]], i64 16
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// CHECK: store i8* %[[NEXT]], i8** %ap
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// CHECK: [[T0:%.*]] = bitcast i8* %[[CUR]] to %struct.test_longdouble*
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// CHECK: [[DEST:%.*]] = bitcast %struct.test_longdouble* %[[AGG_RESULT]] to i8*
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// CHECK: [[SRC:%.*]] = bitcast %struct.test_longdouble* [[T0]] to i8*
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[DEST]], i8* align 8 [[SRC]], i64 16, i1 false)
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struct test_longdouble { long double x; };
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struct test_longdouble testva_longdouble (int x, ...)
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{
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struct test_longdouble y;
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va_list ap;
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va_start(ap, x);
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y = va_arg (ap, struct test_longdouble);
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va_end(ap);
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return y;
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}
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// CHECK: define void @testva_vector(%struct.test_vector* noalias sret %[[AGG_RESULT:.*]], i32 signext %x, ...)
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// CHECK: %[[CUR:[^ ]+]] = load i8*, i8** %ap
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// CHECK: %[[TMP0:[^ ]+]] = ptrtoint i8* %[[CUR]] to i64
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// CHECK: %[[TMP1:[^ ]+]] = add i64 %[[TMP0]], 15
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// CHECK: %[[TMP2:[^ ]+]] = and i64 %[[TMP1]], -16
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// CHECK: %[[ALIGN:[^ ]+]] = inttoptr i64 %[[TMP2]] to i8*
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// CHECK: %[[NEXT:[^ ]+]] = getelementptr inbounds i8, i8* %[[ALIGN]], i64 16
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// CHECK: store i8* %[[NEXT]], i8** %ap
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// CHECK: [[T0:%.*]] = bitcast i8* %[[ALIGN]] to %struct.test_vector*
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// CHECK: [[DEST:%.*]] = bitcast %struct.test_vector* %[[AGG_RESULT]] to i8*
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// CHECK: [[SRC:%.*]] = bitcast %struct.test_vector* [[T0]] to i8*
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[DEST]], i8* align 16 [[SRC]], i64 16, i1 false)
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struct test_vector { vector int x; };
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struct test_vector testva_vector (int x, ...)
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{
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struct test_vector y;
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va_list ap;
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va_start(ap, x);
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y = va_arg (ap, struct test_vector);
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va_end(ap);
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return y;
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}
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