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author | Jim Grosbach <grosbach@apple.com> | 2014-06-16 21:55:58 +0000 |
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committer | Jim Grosbach <grosbach@apple.com> | 2014-06-16 21:55:58 +0000 |
commit | 171ec3454422decfcb0f04bf8ce8ee5fbc9f61ae (patch) | |
tree | 9e996cb3492b68bfc859bbae718942c4f6f4710b /clang/test/CodeGen/builtins-arm.c | |
parent | cc71514d3a88b01726960a22297fd1f8ea508781 (diff) | |
download | bcm5719-llvm-171ec3454422decfcb0f04bf8ce8ee5fbc9f61ae.tar.gz bcm5719-llvm-171ec3454422decfcb0f04bf8ce8ee5fbc9f61ae.zip |
ARM: Support for __builtin_arm_rbit() intrinsic.
Reverse the bits in a word. Maps to the RBIT instruction.
rdar://9283021
llvm-svn: 211059
Diffstat (limited to 'clang/test/CodeGen/builtins-arm.c')
-rw-r--r-- | clang/test/CodeGen/builtins-arm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/test/CodeGen/builtins-arm.c b/clang/test/CodeGen/builtins-arm.c index c5e487aafd6..13ffc607849 100644 --- a/clang/test/CodeGen/builtins-arm.c +++ b/clang/test/CodeGen/builtins-arm.c @@ -52,3 +52,9 @@ void test_barrier() { __builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.arm.dmb(i32 1) __builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.arm.dsb(i32 2) } + +// CHECK: call {{.*}} @llvm.arm.rbit(i32 %a) + +unsigned rbit(unsigned a) { + return __builtin_arm_rbit(a); +} |