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Eric Christopherdc3d8b82010-08-25 07:47:00 +00001; RUN: llc < %s -O0 -arm-fast-isel -fast-isel-abort -mtriple=armv7-apple-darwin
Eric Christophere8d274c2010-08-25 07:53:15 +00002; RUN: llc < %s -O0 -arm-fast-isel -fast-isel-abort -mtriple=thumbv7-apple-darwin
Eric Christopherab695882010-07-21 22:26:11 +00003
4; Very basic fast-isel functionality.
5
Eric Christopherf2605412010-09-08 19:32:34 +00006define i32 @add(i32 %a, i32 %b) nounwind {
Eric Christopherab695882010-07-21 22:26:11 +00007entry:
8 %a.addr = alloca i32, align 4
9 %b.addr = alloca i32, align 4
10 store i32 %a, i32* %a.addr
11 store i32 %b, i32* %b.addr
12 %tmp = load i32* %a.addr
13 %tmp1 = load i32* %b.addr
14 %add = add nsw i32 %tmp, %tmp1
15 ret i32 %add
16}
Eric Christopherc4302232010-08-25 07:57:29 +000017
18define i32* @foo(i32* %p, i32* %q, i32** %z) nounwind {
19entry:
20 %r = load i32* %p
21 %s = load i32* %q
22 %y = load i32** %z
23 br label %fast
24
25fast:
26 %t0 = add i32 %r, %s
27 %t1 = mul i32 %t0, %s
28 %t2 = sub i32 %t1, %s
29 %t3 = and i32 %t2, %s
30 %t4 = xor i32 %t3, 3
31 %t5 = xor i32 %t4, %s
32 %t6 = add i32 %t5, 2
33 %t7 = getelementptr i32* %y, i32 1
34 %t8 = getelementptr i32* %t7, i32 %t6
35 br label %exit
36
37exit:
38 ret i32* %t8
39}