diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/apx/cf.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/apx/cf.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/apx/cf.ll b/llvm/test/CodeGen/X86/apx/cf.ll index e52ce6ca815b..b2651e91134e 100644 --- a/llvm/test/CodeGen/X86/apx/cf.ll +++ b/llvm/test/CodeGen/X86/apx/cf.ll @@ -229,3 +229,21 @@ entry: call void @llvm.masked.store.v1i32.p0(<1 x i32> zeroinitializer, ptr %p, i32 1, <1 x i1> %1) ret void } + +define i64 @redundant_test(i64 %num, ptr %p1, i64 %in) { +; CHECK-LABEL: redundant_test: +; CHECK: # %bb.0: +; CHECK-NEXT: testl $-32, %edi +; CHECK-NEXT: cfcmoveq (%rsi), %rax +; CHECK-NEXT: {nf} addq %rdx, %rax +; CHECK-NEXT: cmovneq %rdi, %rax +; CHECK-NEXT: retq + %and = and i64 %num, 4294967264 + %cmp = icmp eq i64 %and, 0 + %mask = bitcast i1 %cmp to <1 x i1> + %condload = tail call <1 x i64> @llvm.masked.load.v1i64.p0(ptr %p1, i32 8, <1 x i1> %mask, <1 x i64> poison) + %v = bitcast <1 x i64> %condload to i64 + %add = add i64 %v, %in + %sel = select i1 %cmp, i64 %add, i64 %num + ret i64 %sel +} |