1; test for more complicated forms of lea operands which can be generated
2; in loop optimized cases.
3; See also http://llvm.org/bugs/show_bug.cgi?id=20016
4
5; RUN: llc < %s -mtriple=x86_64-linux -O2        | FileCheck %s
6; RUN: llc < %s -mtriple=x86_64-linux-gnux32 -O2 | FileCheck %s -check-prefix=X32
7; RUN: llc < %s -mtriple=x86_64-nacl -O2 | FileCheck %s -check-prefix=X32
8
9; Function Attrs: nounwind readnone uwtable
10define void @foo(i32 %x, i32 %d) #0 {
11entry:
12  %a = alloca [8 x i32], align 16
13  br label %while.cond
14
15while.cond:                                       ; preds = %while.cond, %entry
16  %d.addr.0 = phi i32 [ %d, %entry ], [ %inc, %while.cond ]
17  %arrayidx = getelementptr inbounds [8 x i32]* %a, i32 0, i32 %d.addr.0
18
19; CHECK: leaq	-40(%rsp,%r{{[^,]*}},4), %rax
20; X32:   leal	-40(%rsp,%r{{[^,]*}},4), %eax
21  %0 = load i32* %arrayidx, align 4
22  %cmp1 = icmp eq i32 %0, 0
23  %inc = add nsw i32 %d.addr.0, 1
24
25; CHECK: leaq	4(%r{{[^,]*}}), %r{{[^,]*}}
26; X32:   leal	4(%r{{[^,]*}}), %e{{[^,]*}}
27  br i1 %cmp1, label %while.end, label %while.cond
28
29while.end:                                        ; preds = %while.cond
30  ret void
31}
32
33; The same test as above but with enforsed stack realignment (%a aligned by 64)
34; to check one more case of correct lea generation.
35
36; Function Attrs: nounwind readnone uwtable
37define void @bar(i32 %x, i32 %d) #0 {
38entry:
39  %a = alloca [8 x i32], align 64
40  br label %while.cond
41
42while.cond:                                       ; preds = %while.cond, %entry
43  %d.addr.0 = phi i32 [ %d, %entry ], [ %inc, %while.cond ]
44  %arrayidx = getelementptr inbounds [8 x i32]* %a, i32 0, i32 %d.addr.0
45
46; CHECK: leaq	(%rsp,%r{{[^,]*}},4), %rax
47; X32:   leal	(%rsp,%r{{[^,]*}},4), %eax
48  %0 = load i32* %arrayidx, align 4
49  %cmp1 = icmp eq i32 %0, 0
50  %inc = add nsw i32 %d.addr.0, 1
51
52; CHECK: leaq	4(%r{{[^,]*}}), %r{{[^,]*}}
53; X32:   leal	4(%r{{[^,]*}}), %e{{[^,]*}}
54  br i1 %cmp1, label %while.end, label %while.cond
55
56while.end:                                        ; preds = %while.cond
57  ret void
58}
59
60