1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
; RUN: llc < %s -march=x86 -relocation-model=pic -disable-fp-elim -stats -regalloc=linearscan |& grep {Number of loads added} | grep 1
; PR3495
;
; This test may not be testing what it was supposed to test.
; It used to have two spills and four reloads, but not it only has one spill and one reload.
target datalayout = "e-p:32:32:32"
target triple = "i386-apple-darwin9.6"
%struct.constraintVCGType = type { i32, i32, i32, i32 }
%struct.nodeVCGType = type { %struct.constraintVCGType*, i32, i32, i32, %struct.constraintVCGType*, i32, i32, i32 }
define fastcc void @SCC_DFSBelowVCG(%struct.nodeVCGType* %VCG, i32 %net, i32 %label) nounwind {
entry:
%0 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 5 ; <i32*> [#uses=2]
%1 = load i32* %0, align 4 ; <i32> [#uses=1]
%2 = icmp eq i32 %1, 0 ; <i1> [#uses=1]
br i1 %2, label %bb5, label %bb.nph3
bb.nph3: ; preds = %entry
%3 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 4 ; <%struct.constraintVCGType**> [#uses=1]
br label %bb
bb: ; preds = %bb3, %bb.nph3
%s.02 = phi i32 [ 0, %bb.nph3 ], [ %12, %bb3 ] ; <i32> [#uses=2]
%4 = load %struct.constraintVCGType** %3, align 4 ; <%struct.constraintVCGType*> [#uses=1]
%5 = icmp eq i32 0, 0 ; <i1> [#uses=1]
br i1 %5, label %bb1, label %bb3
bb1: ; preds = %bb
%6 = getelementptr %struct.constraintVCGType* %4, i32 %s.02, i32 0 ; <i32*> [#uses=1]
%7 = load i32* %6, align 4 ; <i32> [#uses=2]
%8 = getelementptr %struct.nodeVCGType* %VCG, i32 %7, i32 7 ; <i32*> [#uses=1]
%9 = load i32* %8, align 4 ; <i32> [#uses=1]
%10 = icmp eq i32 %9, 0 ; <i1> [#uses=1]
br i1 %10, label %bb2, label %bb3
bb2: ; preds = %bb1
%11 = getelementptr %struct.nodeVCGType* %VCG, i32 %7, i32 4 ; <%struct.constraintVCGType**> [#uses=0]
br label %bb.i
bb.i: ; preds = %bb.i, %bb2
br label %bb.i
bb3: ; preds = %bb1, %bb
%12 = add i32 %s.02, 1 ; <i32> [#uses=2]
%13 = load i32* %0, align 4 ; <i32> [#uses=1]
%14 = icmp ugt i32 %13, %12 ; <i1> [#uses=1]
br i1 %14, label %bb, label %bb5
bb5: ; preds = %bb3, %entry
%15 = getelementptr %struct.nodeVCGType* %VCG, i32 %net, i32 6 ; <i32*> [#uses=1]
store i32 %label, i32* %15, align 4
ret void
}
|
