diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/cmov.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/cmov.ll b/llvm/test/CodeGen/X86/cmov.ll index a961dbac7dd..8e9bc8b5af4 100644 --- a/llvm/test/CodeGen/X86/cmov.ll +++ b/llvm/test/CodeGen/X86/cmov.ll @@ -156,3 +156,21 @@ define i8 @test7(i1 inreg %c, i8 inreg %a, i8 inreg %b) nounwind { %d = select i1 %c, i8 %a, i8 %b ret i8 %d } + +; FIXME: The 'not' is redundant. + +define i32 @smin(i32 %x) { +; CHECK-LABEL: smin: +; CHECK: ## BB#0: +; CHECK-NEXT: movl %edi, %ecx +; CHECK-NEXT: notl %ecx +; CHECK-NEXT: xorl $-1, %edi +; CHECK-NEXT: movl $-1, %eax +; CHECK-NEXT: cmovsl %ecx, %eax +; CHECK-NEXT: retq + %not_x = xor i32 %x, -1 + %1 = icmp slt i32 %not_x, -1 + %sel = select i1 %1, i32 %not_x, i32 -1 + ret i32 %sel +} + |
