diff --git a/clang/lib/Headers/smmintrin.h b/clang/lib/Headers/smmintrin.h --- a/clang/lib/Headers/smmintrin.h +++ b/clang/lib/Headers/smmintrin.h @@ -1145,7 +1145,7 @@ /// A 128-bit integer vector containing the bits to be tested. /// \returns TRUE if the bits specified in the operand are all set to 1; FALSE /// otherwise. -#define _mm_test_all_ones(V) _mm_testc_si128((V), _mm_cmpeq_epi32((V), (V))) +#define _mm_test_all_ones(V) _mm_testc_si128((V), _mm_set1_epi32(-1)) /// Tests whether the specified bits in a 128-bit integer vector are /// neither all zeros nor all ones. diff --git a/clang/test/CodeGen/X86/sse41-builtins.c b/clang/test/CodeGen/X86/sse41-builtins.c --- a/clang/test/CodeGen/X86/sse41-builtins.c +++ b/clang/test/CodeGen/X86/sse41-builtins.c @@ -401,3 +401,13 @@ // CHECK: extractelement <4 x float> %{{.*}}, i32 0 return _mm_round_ps(a, 0)[0]; } + +// Ensure _mm_test_all_ones macro doesn't reuse argument +__m128i expensive_call(); +int pr60006() { + // CHECK-LABEL: pr60006 + // CHECK: call {{.*}} @expensive_call + // CHECK-NOT: call {{.*}} @expensive_call + // CHECK: call i32 @llvm.x86.sse41.ptestc(<2 x i64> %{{.*}}, <2 x i64> %{{.*}}) + return _mm_test_all_ones(expensive_call()); +}