pr47676.cpp
1.7 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// RUN: %clang_cc1 -triple=powerpc64le-unknown-linux-gnu \
// RUN: -target-feature +altivec -fsyntax-only -ast-dump \
// RUN: -xc++ < %s 2>&1 \
// RUN: | FileCheck %s
// Ensures that casts to AltiVec type with a dependent expression operand does
// not hit the assertion failure reported in PR47676. Further checks that casts
// to AltiVec type with a dependent expression operand is, on instantiation,
// able to correctly differentiate between a splat case and a bitcast case.
template <typename T> void f(T *tp) {
extern void g(int, ...);
g(0, (__vector int)(*tp));
g(0, (__vector int)*tp);
}
void g(void) {
f<__vector float>(nullptr);
// CHECK: | |-FunctionDecl {{.*}} f 'void (__vector float *)'
// CHECK: | | `-CStyleCastExpr {{.*}} '__vector int' <NoOp>
// CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} '__vector int' <BitCast>
// CHECK-NEXT: | | `-ImplicitCastExpr {{.*}}'__vector float' <LValueToRValue>
// CHECK: | `-CStyleCastExpr {{.*}} '__vector int' <NoOp>
// CHECK-NEXT: | `-ImplicitCastExpr {{.*}} '__vector int' <BitCast>
// CHECK-NEXT: | `-ImplicitCastExpr {{.*}}'__vector float' <LValueToRValue>
f<double>(nullptr);
// CHECK: | `-FunctionDecl {{.*}} f 'void (double *)'
// CHECK: | | `-CStyleCastExpr {{.*}} '__vector int' <VectorSplat>
// CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} 'int' <FloatingToIntegral>
// CHECK-NEXT: | | `-ImplicitCastExpr {{.*}}'double' <LValueToRValue>
// CHECK: | `-CStyleCastExpr {{.*}} '__vector int' <VectorSplat>
// CHECK-NEXT: | `-ImplicitCastExpr {{.*}} 'int' <FloatingToIntegral>
// CHECK-NEXT: | `-ImplicitCastExpr {{.*}}:'double' <LValueToRValue>
}