; RUN: llc < %s -march=x86 -mcpu=pentiumpro | FileCheck %s define i32 @f(i32 %X) { entry: ; CHECK: f: ; CHECK: jns %tmp1 = add i32 %X, 1 ; [#uses=1] %tmp = icmp slt i32 %tmp1, 0 ; [#uses=1] br i1 %tmp, label %cond_true, label %cond_next cond_true: ; preds = %entry %tmp2 = tail call i32 (...)* @bar( ) ; [#uses=0] br label %cond_next cond_next: ; preds = %cond_true, %entry %tmp3 = tail call i32 (...)* @baz( ) ; [#uses=0] ret i32 undef } declare i32 @bar(...) declare i32 @baz(...) ; rdar://10633221 ; rdar://11355268 define i32 @g(i32 %a, i32 %b) nounwind { entry: ; CHECK: g: ; CHECK-NOT: test ; CHECK: cmovs %sub = sub nsw i32 %a, %b %cmp = icmp sgt i32 %sub, 0 %cond = select i1 %cmp, i32 %sub, i32 0 ret i32 %cond } ; rdar://10734411 define i32 @h(i32 %a, i32 %b) nounwind { entry: ; CHECK: h: ; CHECK-NOT: cmp ; CHECK: cmov ; CHECK-NOT: movl ; CHECK: ret %cmp = icmp slt i32 %b, %a %sub = sub nsw i32 %a, %b %cond = select i1 %cmp, i32 %sub, i32 0 ret i32 %cond } define i32 @i(i32 %a, i32 %b) nounwind { entry: ; CHECK: i: ; CHECK-NOT: cmp ; CHECK: cmov ; CHECK-NOT: movl ; CHECK: ret %cmp = icmp sgt i32 %a, %b %sub = sub nsw i32 %a, %b %cond = select i1 %cmp, i32 %sub, i32 0 ret i32 %cond } define i32 @j(i32 %a, i32 %b) nounwind { entry: ; CHECK: j: ; CHECK-NOT: cmp ; CHECK: cmov ; CHECK-NOT: movl ; CHECK: ret %cmp = icmp ugt i32 %a, %b %sub = sub i32 %a, %b %cond = select i1 %cmp, i32 %sub, i32 0 ret i32 %cond } define i32 @k(i32 %a, i32 %b) nounwind { entry: ; CHECK: k: ; CHECK-NOT: cmp ; CHECK: cmov ; CHECK-NOT: movl ; CHECK: ret %cmp = icmp ult i32 %b, %a %sub = sub i32 %a, %b %cond = select i1 %cmp, i32 %sub, i32 0 ret i32 %cond } ; rdar://11540023 define i32 @n(i32 %x, i32 %y) nounwind { entry: ; CHECK: n: ; CHECK-NOT: sub ; CHECK: cmp %sub = sub nsw i32 %x, %y %cmp = icmp slt i32 %sub, 0 %y.x = select i1 %cmp, i32 %y, i32 %x ret i32 %y.x } ; PR://13046 define void @o() nounwind uwtable { entry: %0 = load i16* undef, align 2 br i1 undef, label %if.then.i, label %if.end.i if.then.i: ; preds = %entry unreachable if.end.i: ; preds = %entry br i1 undef, label %sw.bb, label %sw.default sw.bb: ; preds = %if.end.i br i1 undef, label %if.then44, label %if.end29 if.end29: ; preds = %sw.bb ; CHECK: o: ; CHECK: cmp %1 = urem i16 %0, 10 %cmp25 = icmp eq i16 %1, 0 %. = select i1 %cmp25, i16 2, i16 0 br i1 %cmp25, label %if.then44, label %sw.default sw.default: ; preds = %if.end29, %if.end.i br i1 undef, label %if.then.i96, label %if.else.i97 if.then.i96: ; preds = %sw.default unreachable if.else.i97: ; preds = %sw.default unreachable if.then44: ; preds = %if.end29, %sw.bb %aModeRefSel.1.ph = phi i16 [ %., %if.end29 ], [ 3, %sw.bb ] br i1 undef, label %if.then.i103, label %if.else.i104 if.then.i103: ; preds = %if.then44 unreachable if.else.i104: ; preds = %if.then44 ret void }