1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mcpu=nehalem | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4 target triple = "x86_64-apple-macosx10.7"
8 ; This function contains load / store / and operations that all can execute in
9 ; any domain. The only domain-specific operation is the %add = shl... operation
12 ; The paddd instruction can only influence the other operations through the loop
13 ; back-edge. Check that everything is still moved into the integer domain.
15 define void @f(ptr nocapture %p, i32 %n) nounwind uwtable ssp {
17 ; CHECK: ## %bb.0: ## %entry
18 ; CHECK-NEXT: addq $16, %rdi
19 ; CHECK-NEXT: pxor %xmm1, %xmm1
20 ; CHECK-NEXT: pmovsxbd {{.*#+}} xmm0 = [127,127,127,127]
21 ; CHECK-NEXT: .p2align 4
22 ; CHECK-NEXT: LBB0_1: ## %while.body
23 ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
24 ; CHECK-NEXT: pand %xmm0, %xmm1
25 ; CHECK-NEXT: movdqa %xmm1, -16(%rdi)
26 ; CHECK-NEXT: movdqa (%rdi), %xmm1
27 ; CHECK-NEXT: addq $16, %rdi
28 ; CHECK-NEXT: paddd %xmm1, %xmm1
29 ; CHECK-NEXT: decl %esi
30 ; CHECK-NEXT: jne LBB0_1
31 ; CHECK-NEXT: ## %bb.2: ## %while.end
36 ; Materialize a zeroinitializer and a constant-pool load in the integer domain.
37 ; The order is not important.
39 ; The instructions in the loop must all be integer domain as well.
40 ; Finally, the controlling integer-only instruction.
42 %p.addr.04 = phi ptr [ %incdec.ptr, %while.body ], [ %p, %entry ]
43 %n.addr.03 = phi i32 [ %dec, %while.body ], [ %n, %entry ]
44 %x.02 = phi <4 x i32> [ %add, %while.body ], [ zeroinitializer, %entry ]
45 %dec = add nsw i32 %n.addr.03, -1
46 %and = and <4 x i32> %x.02, <i32 127, i32 127, i32 127, i32 127>
47 %incdec.ptr = getelementptr inbounds <4 x i32>, ptr %p.addr.04, i64 1
48 store <4 x i32> %and, ptr %p.addr.04, align 16
49 %0 = load <4 x i32>, ptr %incdec.ptr, align 16
50 %add = shl <4 x i32> %0, <i32 1, i32 1, i32 1, i32 1>
51 %tobool = icmp eq i32 %dec, 0
52 br i1 %tobool, label %while.end, label %while.body