1 ; RUN: llc -mtriple=i386-unknown-freebsd -mcpu=core2 -stack-alignment=4 -relocation-model=pic < %s | FileCheck %s -check-prefix=UNALIGNED
2 ; RUN: llc -mtriple=i386-unknown-freebsd -mcpu=core2 -stack-alignment=16 -relocation-model=pic < %s | FileCheck %s -check-prefix=ALIGNED
3 ; RUN: llc -mtriple=i386-unknown-freebsd -mcpu=core2 -stack-alignment=4 -stackrealign -relocation-model=pic < %s | FileCheck %s -check-prefix=FORCEALIGNED
5 @arr = internal unnamed_addr global [32 x i32] zeroinitializer, align 16
13 %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
14 %0 = getelementptr inbounds [32 x i32], [32 x i32]* @arr, i32 0, i32 %index
15 %1 = bitcast i32* %0 to <4 x i32>*
16 %wide.load = load <4 x i32>, <4 x i32>* %1, align 16
17 %2 = add nsw <4 x i32> %wide.load, <i32 10, i32 10, i32 10, i32 10>
18 %3 = xor <4 x i32> %2, <i32 123345, i32 123345, i32 123345, i32 123345>
19 %4 = add nsw <4 x i32> %3, <i32 112, i32 112, i32 112, i32 112>
20 %5 = xor <4 x i32> %4, <i32 543345, i32 543345, i32 543345, i32 543345>
21 %6 = add nsw <4 x i32> %5, <i32 73, i32 73, i32 73, i32 73>
22 %7 = xor <4 x i32> %6, <i32 345987, i32 345987, i32 345987, i32 345987>
23 %8 = add nsw <4 x i32> %7, <i32 48, i32 48, i32 48, i32 48>
24 %9 = xor <4 x i32> %8, <i32 123987, i32 123987, i32 123987, i32 123987>
25 store <4 x i32> %9, <4 x i32>* %1, align 16
26 %index.next = add i32 %index, 4
27 %10 = icmp eq i32 %index.next, 32
28 br i1 %10, label %middle.block, label %vector.body
33 ; We can't fold the spill into a padd unless the stack is aligned. Just spilling
34 ; doesn't force stack realignment though
35 ; UNALIGNED-LABEL: @test1
36 ; UNALIGNED-NOT: andl $-{{..}}, %esp
37 ; UNALIGNED: movdqu {{.*}} # 16-byte Spill
38 ; UNALIGNED-NOT: paddd {{.*}} # 16-byte Folded Reload
40 ; ALIGNED-LABEL: @test1
41 ; ALIGNED-NOT: andl $-{{..}}, %esp
42 ; ALIGNED: movdqa {{.*}} # 16-byte Spill
43 ; ALIGNED: paddd {{.*}} # 16-byte Folded Reload
45 ; FORCEALIGNED-LABEL: @test1
46 ; FORCEALIGNED: andl $-{{..}}, %esp
47 ; FORCEALIGNED: movdqa {{.*}} # 16-byte Spill
48 ; FORCEALIGNED: paddd {{.*}} # 16-byte Folded Reload