1 ; RUN: llc < %s -mtriple=i386-apple-darwin -relocation-model=pic -disable-fp-elim | FileCheck %s -check-prefix=X86-32
2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -relocation-model=pic -disable-fp-elim | FileCheck %s -check-prefix=X86-64
4 ; MachineLICM should be able to hoist loop invariant reload out of the loop.
7 %struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 }
8 %struct.__sFILEX = type opaque
9 %struct.__sbuf = type { i8*, i32 }
10 %struct.epoch_t = type { %struct.trans_t*, %struct.trans_t*, i32, i32, i32, i32, i32 }
11 %struct.trans_t = type { i32, i32, i32, i8* }
13 @.str12 = external constant [2 x i8], align 1 ; <[2 x i8]*> [#uses=1]
14 @.str19 = external constant [7 x i8], align 1 ; <[7 x i8]*> [#uses=1]
15 @.str24 = external constant [4 x i8], align 1 ; <[4 x i8]*> [#uses=1]
17 define i32 @t1(i32 %c, i8** nocapture %v) nounwind ssp {
20 br i1 undef, label %bb, label %bb3
26 br i1 undef, label %bb.i, label %bb.nph41
31 bb.nph41: ; preds = %bb3
32 %0 = call %struct.FILE* @"\01_fopen$UNIX2003"(i8* undef, i8* getelementptr inbounds ([2 x i8]* @.str12, i32 0, i32 0)) nounwind ; <%struct.FILE*> [#uses=3]
33 br i1 undef, label %bb4, label %bb5.preheader
35 bb5.preheader: ; preds = %bb.nph41
38 bb4: ; preds = %bb.nph41
41 bb5: ; preds = %bb5, %bb5.preheader
42 br i1 undef, label %bb7, label %bb5
45 br i1 undef, label %bb9, label %bb12
51 br i1 undef, label %bb16, label %bb22
59 bb.i1: ; preds = %bb.i1, %bb22
60 %1 = icmp eq i8 undef, 69 ; <i1> [#uses=1]
61 br i1 %1, label %imix_test.exit, label %bb.i1
63 imix_test.exit: ; preds = %bb.i1
64 br i1 undef, label %bb23, label %bb26.preheader
66 bb26.preheader: ; preds = %imix_test.exit
67 br i1 undef, label %bb28, label %bb30
69 bb23: ; preds = %imix_test.exit
71 ; X86-32: %bb26.preheader
72 ; X86-32: movl -16(%ebp),
73 ; X86-32-NEXT: .align 4
76 bb28: ; preds = %bb28, %bb26.preheader
77 %counter.035 = phi i32 [ %3, %bb28 ], [ 0, %bb26.preheader ] ; <i32> [#uses=2]
78 %tmp56 = shl i32 %counter.035, 2 ; <i32> [#uses=0]
79 %2 = call i8* @fgets(i8* undef, i32 50, %struct.FILE* %0) nounwind ; <i8*> [#uses=0]
80 %3 = add nsw i32 %counter.035, 1 ; <i32> [#uses=1]
81 %4 = call i32 @feof(%struct.FILE* %0) nounwind ; <i32> [#uses=0]
84 bb30: ; preds = %bb26.preheader
85 %5 = call i32 @strcmp(i8* undef, i8* getelementptr inbounds ([7 x i8]* @.str19, i32 0, i32 0)) nounwind readonly ; <i32> [#uses=0]
86 br i1 undef, label %bb34, label %bb70
88 bb32.loopexit: ; preds = %bb45
89 %6 = icmp eq i32 undef, 0 ; <i1> [#uses=1]
90 %indvar.next55 = add i32 %indvar54, 1 ; <i32> [#uses=1]
91 br i1 %6, label %bb34, label %bb70
93 bb34: ; preds = %bb32.loopexit, %bb30
94 %indvar54 = phi i32 [ %indvar.next55, %bb32.loopexit ], [ 0, %bb30 ] ; <i32> [#uses=3]
95 br i1 false, label %bb35, label %bb39.preheader
100 bb39.preheader: ; preds = %bb34
101 %7 = getelementptr inbounds %struct.epoch_t* undef, i32 %indvar54, i32 3 ; <i32*> [#uses=1]
102 %8 = getelementptr inbounds %struct.epoch_t* undef, i32 %indvar54, i32 2 ; <i32*> [#uses=0]
103 br i1 false, label %bb42, label %bb45
105 bb42: ; preds = %bb39.preheader
108 bb45: ; preds = %bb39.preheader
109 %9 = call i32 @strcmp(i8* undef, i8* getelementptr inbounds ([4 x i8]* @.str24, i32 0, i32 0)) nounwind readonly ; <i32> [#uses=0]
110 br i1 false, label %bb47, label %bb32.loopexit
112 bb47: ; preds = %bb45
113 %10 = load i32* %7, align 4 ; <i32> [#uses=0]
116 bb70: ; preds = %bb32.loopexit, %bb30
117 br i1 undef, label %bb78, label %bb76
119 bb76: ; preds = %bb70
122 bb78: ; preds = %bb70
123 br i1 undef, label %bb83, label %bb79
125 bb79: ; preds = %bb78
128 bb83: ; preds = %bb78
129 call void @rewind(%struct.FILE* %0) nounwind
133 declare %struct.FILE* @"\01_fopen$UNIX2003"(i8*, i8*)
135 declare i8* @fgets(i8*, i32, %struct.FILE* nocapture) nounwind
137 declare void @rewind(%struct.FILE* nocapture) nounwind
139 declare i32 @feof(%struct.FILE* nocapture) nounwind
141 declare i32 @strcmp(i8* nocapture, i8* nocapture) nounwind readonly
143 @map_4_to_16 = external constant [16 x i16], align 32 ; <[16 x i16]*> [#uses=2]
145 define void @t2(i8* nocapture %bufp, i8* nocapture %data, i32 %dsize) nounwind ssp {
148 br i1 undef, label %return, label %bb.nph
150 bb.nph: ; preds = %entry
151 ; X86-64: movq _map_4_to_16@GOTPCREL(%rip)
153 %tmp5 = zext i32 undef to i64 ; <i64> [#uses=1]
154 %tmp6 = add i64 %tmp5, 1 ; <i64> [#uses=1]
155 %tmp11 = shl i64 undef, 1 ; <i64> [#uses=1]
156 %tmp14 = mul i64 undef, 3 ; <i64> [#uses=1]
159 bb: ; preds = %bb, %bb.nph
160 %tmp9 = mul i64 undef, undef ; <i64> [#uses=2]
161 %tmp12 = add i64 %tmp11, %tmp9 ; <i64> [#uses=1]
162 %scevgep13 = getelementptr i8* %bufp, i64 %tmp12 ; <i8*> [#uses=1]
163 %tmp15 = add i64 %tmp14, %tmp9 ; <i64> [#uses=1]
164 %scevgep16 = getelementptr i8* %bufp, i64 %tmp15 ; <i8*> [#uses=1]
165 %0 = load i8* undef, align 1 ; <i8> [#uses=1]
166 %1 = zext i8 %0 to i32 ; <i32> [#uses=1]
167 %2 = getelementptr inbounds [16 x i16]* @map_4_to_16, i64 0, i64 0 ; <i16*> [#uses=1]
168 %3 = load i16* %2, align 2 ; <i16> [#uses=1]
169 %4 = trunc i16 %3 to i8 ; <i8> [#uses=1]
170 store i8 %4, i8* undef, align 1
171 %5 = and i32 %1, 15 ; <i32> [#uses=1]
172 %6 = zext i32 %5 to i64 ; <i64> [#uses=1]
173 %7 = getelementptr inbounds [16 x i16]* @map_4_to_16, i64 0, i64 %6 ; <i16*> [#uses=1]
174 %8 = load i16* %7, align 2 ; <i16> [#uses=2]
175 %9 = lshr i16 %8, 8 ; <i16> [#uses=1]
176 %10 = trunc i16 %9 to i8 ; <i8> [#uses=1]
177 store i8 %10, i8* %scevgep13, align 1
178 %11 = trunc i16 %8 to i8 ; <i8> [#uses=1]
179 store i8 %11, i8* %scevgep16, align 1
180 %exitcond = icmp eq i64 undef, %tmp6 ; <i1> [#uses=1]
181 br i1 %exitcond, label %return, label %bb
183 return: ; preds = %bb, %entry