|
83
|
1 ; RUN: llc -verify-machineinstrs -mtriple=i386--netbsd < %s | FileCheck %s
|
|
|
2 ; Regression test for http://reviews.llvm.org/D5701
|
|
|
3
|
|
|
4 ; ModuleID = 'xxhash.i'
|
|
|
5 target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
|
|
|
6 target triple = "i386--netbsd"
|
|
|
7
|
|
|
8 ; CHECK-LABEL: fn1
|
|
|
9 ; CHECK: shldl {{.*#+}} 4-byte Folded Spill
|
|
|
10 ; CHECK: orl {{.*#+}} 4-byte Folded Reload
|
|
|
11 ; CHECK: shldl {{.*#+}} 4-byte Folded Spill
|
|
|
12 ; CHECK: orl {{.*#+}} 4-byte Folded Reload
|
|
|
13 ; CHECK: addl {{.*#+}} 4-byte Folded Reload
|
|
|
14 ; CHECK: imull {{.*#+}} 4-byte Folded Reload
|
|
|
15 ; CHECK: orl {{.*#+}} 4-byte Folded Reload
|
|
|
16 ; CHECK: retl
|
|
|
17
|
|
|
18 %struct.XXH_state64_t = type { i32, i32, i64, i64, i64 }
|
|
|
19
|
|
|
20 @a = common global i32 0, align 4
|
|
|
21 @b = common global i64 0, align 8
|
|
|
22
|
|
|
23 ; Function Attrs: nounwind uwtable
|
|
|
24 define i64 @fn1() #0 {
|
|
|
25 entry:
|
|
95
|
26 %0 = load i32, i32* @a, align 4, !tbaa !1
|
|
83
|
27 %1 = inttoptr i32 %0 to %struct.XXH_state64_t*
|
|
95
|
28 %total_len = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 0
|
|
|
29 %2 = load i32, i32* %total_len, align 4, !tbaa !5
|
|
83
|
30 %tobool = icmp eq i32 %2, 0
|
|
|
31 br i1 %tobool, label %if.else, label %if.then
|
|
|
32
|
|
|
33 if.then: ; preds = %entry
|
|
95
|
34 %v3 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 3
|
|
|
35 %3 = load i64, i64* %v3, align 4, !tbaa !8
|
|
|
36 %v4 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 4
|
|
|
37 %4 = load i64, i64* %v4, align 4, !tbaa !9
|
|
|
38 %v2 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 2
|
|
|
39 %5 = load i64, i64* %v2, align 4, !tbaa !10
|
|
83
|
40 %shl = shl i64 %5, 1
|
|
|
41 %or = or i64 %shl, %5
|
|
|
42 %shl2 = shl i64 %3, 2
|
|
|
43 %shr = lshr i64 %3, 1
|
|
|
44 %or3 = or i64 %shl2, %shr
|
|
|
45 %add = add i64 %or, %or3
|
|
|
46 %mul = mul i64 %4, -4417276706812531889
|
|
|
47 %shl4 = mul i64 %4, -8834553413625063778
|
|
|
48 %shr5 = ashr i64 %mul, 3
|
|
|
49 %or6 = or i64 %shr5, %shl4
|
|
|
50 %mul7 = mul nsw i64 %or6, 1400714785074694791
|
|
|
51 %xor = xor i64 %add, %mul7
|
|
|
52 store i64 %xor, i64* @b, align 8, !tbaa !11
|
|
|
53 %mul8 = mul nsw i64 %xor, 1400714785074694791
|
|
|
54 br label %if.end
|
|
|
55
|
|
|
56 if.else: ; preds = %entry
|
|
95
|
57 %6 = load i64, i64* @b, align 8, !tbaa !11
|
|
83
|
58 %xor10 = xor i64 %6, -4417276706812531889
|
|
|
59 %mul11 = mul nsw i64 %xor10, 400714785074694791
|
|
|
60 br label %if.end
|
|
|
61
|
|
|
62 if.end: ; preds = %if.else, %if.then
|
|
|
63 %storemerge.in = phi i64 [ %mul11, %if.else ], [ %mul8, %if.then ]
|
|
|
64 %storemerge = add i64 %storemerge.in, -8796714831421723037
|
|
|
65 store i64 %storemerge, i64* @b, align 8, !tbaa !11
|
|
|
66 ret i64 undef
|
|
|
67 }
|
|
|
68
|
|
|
69 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
|
70
|
|
|
71 !llvm.ident = !{!0}
|
|
|
72
|
|
|
73 !0 = !{!"clang version 3.6 (trunk 219587)"}
|
|
|
74 !1 = !{!2, !2, i64 0}
|
|
|
75 !2 = !{!"int", !3, i64 0}
|
|
|
76 !3 = !{!"omnipotent char", !4, i64 0}
|
|
|
77 !4 = !{!"Simple C/C++ TBAA"}
|
|
|
78 !5 = !{!6, !2, i64 0}
|
|
|
79 !6 = !{!"XXH_state64_t", !2, i64 0, !2, i64 4, !7, i64 8, !7, i64 16, !7, i64 24}
|
|
|
80 !7 = !{!"long long", !3, i64 0}
|
|
|
81 !8 = !{!6, !7, i64 16}
|
|
|
82 !9 = !{!6, !7, i64 24}
|
|
|
83 !10 = !{!6, !7, i64 8}
|
|
|
84 !11 = !{!7, !7, i64 0}
|
