diff options
| author | Tim Northover <tnorthover@apple.com> | 2014-03-29 15:09:45 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2014-03-29 15:09:45 +0000 |
| commit | 7e0e8ef787107d4f646254130625d83c67a617bf (patch) | |
| tree | 8ff59170f29defadd4d7bea0156c174fd1619a4d /test/CodeGenCXX/poly-unsigned.cpp | |
| parent | 6614bf2dd1f7e09bbef38b243fd42f7182897908 (diff) | |
ARM64: initial clang support commit.
This adds Clang support for the ARM64 backend. There are definitely
still some rough edges, so please bring up any issues you see with
this patch.
As with the LLVM commit though, we think it'll be more useful for
merging with AArch64 from within the tree.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@205100 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/poly-unsigned.cpp')
| -rw-r--r-- | test/CodeGenCXX/poly-unsigned.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGenCXX/poly-unsigned.cpp b/test/CodeGenCXX/poly-unsigned.cpp new file mode 100644 index 0000000000..9851a06089 --- /dev/null +++ b/test/CodeGenCXX/poly-unsigned.cpp @@ -0,0 +1,20 @@ +// RUN: %clang_cc1 -triple arm64-apple-ios -ffreestanding -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-UNSIGNED-POLY %s +// RUN: %clang_cc1 -triple arm64-linux-gnu -ffreestanding -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-UNSIGNED-POLY %s +// RUN: %clang_cc1 -triple armv7-apple-ios -ffreestanding -target-cpu cortex-a8 -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-SIGNED-POLY %s + +#include <arm_neon.h> + +// Polynomial types really should be universally unsigned, otherwise casting +// (say) poly8_t "x^7" to poly16_t would change it to "x^15 + x^14 + ... + +// x^7". Unfortunately 32-bit ARM ended up in a slightly delicate ABI situation +// so for now it got that wrong. + +poly16_t test_poly8(poly8_t pIn) { +// CHECK-UNSIGNED-POLY: @_Z10test_poly8h +// CHECK-UNSIGNED-POLY: zext i8 {{.*}} to i16 + +// CHECK-SIGNED-POLY: @_Z10test_poly8a +// CHECK-SIGNED-POLY: sext i8 {{.*}} to i16 + + return pIn; +} |