xref: /llvm-project/llvm/test/CodeGen/X86/2011-06-12-FastAllocSpill.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; REQUIRES: asserts
2; RUN: llc < %s -O0 -frame-pointer=all -relocation-model=pic -stats 2>&1 | FileCheck %s
3;
4; This test should not cause any spilling with RAFast.
5;
6; CHECK: Number of copies coalesced
7; CHECK-NOT: Number of stores added
8;
9target 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"
10target triple = "x86_64-apple-darwin10.0.0"
11
12%0 = type { i64, i64, ptr, ptr }
13%1 = type opaque
14%2 = type opaque
15%3 = type <{ ptr, i32, i32, ptr, ptr, i64 }>
16%4 = type { ptr, i32, i32, ptr, ptr, i64 }
17%5 = type { i64, i64 }
18%6 = type { ptr, i32, i32, ptr, ptr }
19
20@0 = external hidden constant %0
21
22define hidden void @f() ssp {
23bb:
24  %tmp5 = alloca i64, align 8
25  %tmp6 = alloca ptr, align 8
26  %tmp7 = alloca %3, align 8
27  store i64 0, ptr %tmp5, align 8
28  br label %bb8
29
30bb8:                                              ; preds = %bb23, %bb
31  %tmp15 = getelementptr inbounds %3, ptr %tmp7, i32 0, i32 4
32  store ptr @0, ptr %tmp15
33  store ptr %tmp7, ptr %tmp6, align 8
34  %tmp17 = load ptr, ptr %tmp6, align 8
35  %tmp19 = getelementptr inbounds %6, ptr %tmp17, i32 0, i32 3
36  %tmp21 = load ptr, ptr %tmp19
37  call void %tmp21(ptr %tmp17)
38  br label %bb23
39
40bb23:                                             ; preds = %bb8
41  %tmp24 = load i64, ptr %tmp5, align 8
42  %tmp25 = add i64 %tmp24, 1
43  store i64 %tmp25, ptr %tmp5, align 8
44  %tmp26 = icmp ult i64 %tmp25, 10
45  br i1 %tmp26, label %bb8, label %bb27
46
47bb27:                                             ; preds = %bb23
48  ret void
49}
50