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gerrit-public.fairphone.software / toolchain / llvm-project / ce3ddd2de4c5dbd5a7a68b51ea38f96cf7fbf3aa / . / llvm / test / Transforms / ADCE / basictest1.ll
blob: 76bb5cabf663839e0b2a29ecbee4196231777165 [file] [log] [blame]
David Callahanebcf9162016-12-13 16:42:18 +0000[diff] [blame]1; RUN: opt < %s -adce -S | FileCheck %s
2; RUN: opt < %s -adce -adce-remove-loops -S | FileCheck %s
3
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]4%FILE = type { i32, i8*, i8*, i8, i8, i32, i32, i32 }
5 %spec_fd_t = type { i32, i32, i32, i8* }
6@__iob = external global [20 x %FILE] ; <[20 x %FILE]*> [#uses=1]
7@dbglvl = global i32 4 ; <i32*> [#uses=3]
8@spec_fd = external global [3 x %spec_fd_t] ; <[3 x %spec_fd_t]*> [#uses=4]
9@.LC9 = internal global [34 x i8] c"spec_read: fd=%d, > MAX_SPEC_FD!\0A\00" ; <[34 x i8]*> [#uses=1]
10@.LC10 = internal global [4 x i8] c"EOF\00" ; <[4 x i8]*> [#uses=1]
11@.LC11 = internal global [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
12@.LC12 = internal global [17 x i8] c"spec_getc: %d = \00" ; <[17 x i8]*> [#uses=1]
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]13
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]14declare i32 @fprintf(%FILE*, i8*, ...)
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]15
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]16declare void @exit(i32)
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]17
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]18declare i32 @remove(i8*)
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]19
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]20declare i32 @fputc(i32, %FILE*)
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]21
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]22declare i32 @fwrite(i8*, i32, i32, %FILE*)
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]23
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]24declare void @perror(i8*)
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]25
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]26define i32 @spec_getc(i32 %fd) {
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]27 %reg109 = load i32, i32* @dbglvl ; <i32> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]28 %cond266 = icmp sle i32 %reg109, 4 ; <i1> [#uses=1]
David Callahanebcf9162016-12-13 16:42:18 +0000[diff] [blame]29; CHECKL br label %bb3
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]30 br i1 %cond266, label %bb3, label %bb2
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]31
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]32bb2: ; preds = %0
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]33 %cast273 = getelementptr [17 x i8], [17 x i8]* @.LC12, i64 0, i64 0 ; <i8*> [#uses=0]
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]34 br label %bb3
35
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]36bb3: ; preds = %bb2, %0
37 %cond267 = icmp sle i32 %fd, 3 ; <i1> [#uses=1]
38 br i1 %cond267, label %bb5, label %bb4
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]39
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]40bb4: ; preds = %bb3
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]41 %reg111 = getelementptr [20 x %FILE], [20 x %FILE]* @__iob, i64 0, i64 1, i32 3 ; <i8*> [#uses=1]
42 %cast274 = getelementptr [34 x i8], [34 x i8]* @.LC9, i64 0, i64 0 ; <i8*> [#uses=0]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]43 %cast282 = bitcast i8* %reg111 to %FILE* ; <%FILE*> [#uses=0]
44 call void @exit( i32 1 )
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]45 br label %UnifiedExitNode
46
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]47bb5: ; preds = %bb3
48 %reg107-idxcast1 = sext i32 %fd to i64 ; <i64> [#uses=2]
49 %reg107-idxcast2 = sext i32 %fd to i64 ; <i64> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]50 %reg1311 = getelementptr [3 x %spec_fd_t], [3 x %spec_fd_t]* @spec_fd, i64 0, i64 %reg107-idxcast2 ; <%spec_fd_t*> [#uses=1]
51 %idx1 = getelementptr [3 x %spec_fd_t], [3 x %spec_fd_t]* @spec_fd, i64 0, i64 %reg107-idxcast1, i32 2 ; <i32*> [#uses=1]
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]52 %reg1321 = load i32, i32* %idx1 ; <i32> [#uses=3]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]53 %idx2 = getelementptr %spec_fd_t, %spec_fd_t* %reg1311, i64 0, i32 1 ; <i32*> [#uses=1]
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]54 %reg1331 = load i32, i32* %idx2 ; <i32> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]55 %cond270 = icmp slt i32 %reg1321, %reg1331 ; <i1> [#uses=1]
56 br i1 %cond270, label %bb9, label %bb6
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]57
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]58bb6: ; preds = %bb5
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]59 %reg134 = load i32, i32* @dbglvl ; <i32> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]60 %cond271 = icmp sle i32 %reg134, 4 ; <i1> [#uses=1]
David Callahanebcf9162016-12-13 16:42:18 +0000[diff] [blame]61; CHECK: br label %bb8
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]62 br i1 %cond271, label %bb8, label %bb7
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]63
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]64bb7: ; preds = %bb6
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]65 %cast277 = getelementptr [4 x i8], [4 x i8]* @.LC10, i64 0, i64 0 ; <i8*> [#uses=0]
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]66 br label %bb8
67
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]68bb8: ; preds = %bb7, %bb6
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]69 br label %UnifiedExitNode
70
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]71bb9: ; preds = %bb5
72 %reg107-idxcast3 = sext i32 %fd to i64 ; <i64> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]73 %idx3 = getelementptr [3 x %spec_fd_t], [3 x %spec_fd_t]* @spec_fd, i64 0, i64 %reg107-idxcast3, i32 3 ; <i8**> [#uses=1]
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]74 %reg1601 = load i8*, i8** %idx3 ; <i8*> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]75 %reg132-idxcast1 = sext i32 %reg1321 to i64 ; <i64> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]76 %idx4 = getelementptr i8, i8* %reg1601, i64 %reg132-idxcast1 ; <i8*> [#uses=1]
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]77 %reg1621 = load i8, i8* %idx4 ; <i8> [#uses=2]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]78 %cast108 = zext i8 %reg1621 to i64 ; <i64> [#uses=0]
79 %reg157 = add i32 %reg1321, 1 ; <i32> [#uses=1]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]80 %idx5 = getelementptr [3 x %spec_fd_t], [3 x %spec_fd_t]* @spec_fd, i64 0, i64 %reg107-idxcast1, i32 2 ; <i32*> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]81 store i32 %reg157, i32* %idx5
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]82 %reg163 = load i32, i32* @dbglvl ; <i32> [#uses=1]
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]83 %cond272 = icmp sle i32 %reg163, 4 ; <i1> [#uses=1]
David Callahanebcf9162016-12-13 16:42:18 +0000[diff] [blame]84; CHECK: br label %bb11
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]85 br i1 %cond272, label %bb11, label %bb10
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]86
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]87bb10: ; preds = %bb9
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]88 %cast279 = getelementptr [4 x i8], [4 x i8]* @.LC11, i64 0, i64 0 ; <i8*> [#uses=0]
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]89 br label %bb11
90
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]91bb11: ; preds = %bb10, %bb9
92 %cast291 = zext i8 %reg1621 to i32 ; <i32> [#uses=1]
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]93 br label %UnifiedExitNode
94
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]95UnifiedExitNode: ; preds = %bb11, %bb8, %bb4
96 %UnifiedRetVal = phi i32 [ 42, %bb4 ], [ -1, %bb8 ], [ %cast291, %bb11 ] ; <i32> [#uses=1]
97 ret i32 %UnifiedRetVal
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]98}
99
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]100declare i32 @puts(i8*)
Chris Lattner5f1ddb02002-05-22 19:22:45 +0000[diff] [blame]101
Tanya Lattner5640bd12008-03-01 09:15:35 +0000[diff] [blame]102declare i32 @printf(i8*, ...)