forked from OSchip/llvm-project
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
// Covers a bug fix for ABI selection with homogenous aggregates:
|
|
// See: https://bugs.llvm.org/show_bug.cgi?id=39982
|
|
|
|
// REQUIRES: arm-registered-target
|
|
// RUN: %clang -mfloat-abi=hard --target=armv7-unknown-linux-gnueabi -O3 -S -o - %s | FileCheck %s -check-prefixes=HARD,CHECK
|
|
// RUN: %clang -mfloat-abi=softfp --target=armv7-unknown-linux-gnueabi -O3 -S -o - %s | FileCheck %s -check-prefixes=SOFTFP,CHECK
|
|
// RUN: %clang -mfloat-abi=soft --target=armv7-unknown-linux-gnueabi -O3 -S -o - %s | FileCheck %s -check-prefixes=SOFT,CHECK
|
|
|
|
struct S {
|
|
float f;
|
|
float d;
|
|
float c;
|
|
float t;
|
|
};
|
|
|
|
// Variadic functions should always marshal for the base standard.
|
|
// See section 5.5 (Parameter Passing) of the AAPCS.
|
|
float __attribute__((pcs("aapcs-vfp"))) variadic(S s, ...) {
|
|
// CHECK-NOT: vmov s{{[0-9]+}}, s{{[0-9]+}}
|
|
// CHECK: mov r{{[0-9]+}}, r{{[0-9]+}}
|
|
return s.d;
|
|
}
|
|
|
|
float no_attribute(S s) {
|
|
// SOFT: mov r{{[0-9]+}}, r{{[0-9]+}}
|
|
// SOFTFP: mov r{{[0-9]+}}, r{{[0-9]+}}
|
|
// HARD: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
|
|
return s.d;
|
|
}
|
|
|
|
float __attribute__((pcs("aapcs-vfp"))) baz(float x, float y) {
|
|
// CHECK-NOT: mov s{{[0-9]+}}, r{{[0-9]+}}
|
|
// SOFT: mov r{{[0-9]+}}, r{{[0-9]+}}
|
|
// SOFTFP: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
|
|
// HARD: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
|
|
return y;
|
|
}
|
|
|
|
float __attribute__((pcs("aapcs-vfp"))) foo(S s) {
|
|
// CHECK-NOT: mov s{{[0-9]+}}, r{{[0-9]+}}
|
|
// SOFT: mov r{{[0-9]+}}, r{{[0-9]+}}
|
|
// SOFTFP: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
|
|
// HARD: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
|
|
return s.d;
|
|
}
|
|
|
|
float __attribute__((pcs("aapcs"))) bar(S s) {
|
|
// CHECK-NOT: vmov.f32 s{{[0-9]+}}, s{{[0-9]+}}
|
|
// CHECK: mov r{{[0-9]+}}, r{{[0-9]+}}
|
|
return s.d;
|
|
}
|