mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-29 10:32:47 +00:00
ec9a35a6f9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
98 lines
3.7 KiB
LLVM
98 lines
3.7 KiB
LLVM
; RUN: llvm-as < %s | opt -adce -simplifycfg | llvm-dis
|
|
%FILE = type { i32, i8*, i8*, i8, i8, i32, i32, i32 }
|
|
%spec_fd_t = type { i32, i32, i32, i8* }
|
|
@__iob = external global [20 x %FILE] ; <[20 x %FILE]*> [#uses=1]
|
|
@dbglvl = global i32 4 ; <i32*> [#uses=3]
|
|
@spec_fd = external global [3 x %spec_fd_t] ; <[3 x %spec_fd_t]*> [#uses=4]
|
|
@.LC9 = internal global [34 x i8] c"spec_read: fd=%d, > MAX_SPEC_FD!\0A\00" ; <[34 x i8]*> [#uses=1]
|
|
@.LC10 = internal global [4 x i8] c"EOF\00" ; <[4 x i8]*> [#uses=1]
|
|
@.LC11 = internal global [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
|
|
@.LC12 = internal global [17 x i8] c"spec_getc: %d = \00" ; <[17 x i8]*> [#uses=1]
|
|
|
|
declare i32 @fprintf(%FILE*, i8*, ...)
|
|
|
|
declare void @exit(i32)
|
|
|
|
declare i32 @remove(i8*)
|
|
|
|
declare i32 @fputc(i32, %FILE*)
|
|
|
|
declare i32 @fwrite(i8*, i32, i32, %FILE*)
|
|
|
|
declare void @perror(i8*)
|
|
|
|
define i32 @spec_getc(i32 %fd) {
|
|
%reg109 = load i32* @dbglvl ; <i32> [#uses=1]
|
|
%cond266 = icmp sle i32 %reg109, 4 ; <i1> [#uses=1]
|
|
br i1 %cond266, label %bb3, label %bb2
|
|
|
|
bb2: ; preds = %0
|
|
%cast273 = getelementptr [17 x i8]* @.LC12, i64 0, i64 0 ; <i8*> [#uses=0]
|
|
br label %bb3
|
|
|
|
bb3: ; preds = %bb2, %0
|
|
%cond267 = icmp sle i32 %fd, 3 ; <i1> [#uses=0]
|
|
br label %bb5
|
|
|
|
bb4: ; No predecessors!
|
|
%reg111 = getelementptr [20 x %FILE]* @__iob, i64 0, i64 1, i32 3 ; <i8*> [#uses=1]
|
|
%cast274 = getelementptr [34 x i8]* @.LC9, i64 0, i64 0 ; <i8*> [#uses=0]
|
|
%cast282 = bitcast i8* %reg111 to %FILE* ; <%FILE*> [#uses=0]
|
|
call void @exit( i32 1 )
|
|
br label %UnifiedExitNode
|
|
|
|
bb5: ; preds = %bb3
|
|
%reg107-idxcast1 = sext i32 %fd to i64 ; <i64> [#uses=2]
|
|
%reg107-idxcast2 = sext i32 %fd to i64 ; <i64> [#uses=1]
|
|
%reg1311 = getelementptr [3 x %spec_fd_t]* @spec_fd, i64 0, i64 %reg107-idxcast2 ; <%spec_fd_t*> [#uses=1]
|
|
%idx1 = getelementptr [3 x %spec_fd_t]* @spec_fd, i64 0, i64 %reg107-idxcast1, i32 2 ; <i32*> [#uses=1]
|
|
%reg1321 = load i32* %idx1 ; <i32> [#uses=3]
|
|
%idx2 = getelementptr %spec_fd_t* %reg1311, i64 0, i32 1 ; <i32*> [#uses=1]
|
|
%reg1331 = load i32* %idx2 ; <i32> [#uses=1]
|
|
%cond270 = icmp slt i32 %reg1321, %reg1331 ; <i1> [#uses=1]
|
|
br i1 %cond270, label %bb9, label %bb6
|
|
|
|
bb6: ; preds = %bb5
|
|
%reg134 = load i32* @dbglvl ; <i32> [#uses=1]
|
|
%cond271 = icmp sle i32 %reg134, 4 ; <i1> [#uses=1]
|
|
br i1 %cond271, label %bb8, label %bb7
|
|
|
|
bb7: ; preds = %bb6
|
|
%cast277 = getelementptr [4 x i8]* @.LC10, i64 0, i64 0 ; <i8*> [#uses=0]
|
|
br label %bb8
|
|
|
|
bb8: ; preds = %bb7, %bb6
|
|
br label %UnifiedExitNode
|
|
|
|
bb9: ; preds = %bb5
|
|
%reg107-idxcast3 = sext i32 %fd to i64 ; <i64> [#uses=1]
|
|
%idx3 = getelementptr [3 x %spec_fd_t]* @spec_fd, i64 0, i64 %reg107-idxcast3, i32 3 ; <i8**> [#uses=1]
|
|
%reg1601 = load i8** %idx3 ; <i8*> [#uses=1]
|
|
%reg132-idxcast1 = sext i32 %reg1321 to i64 ; <i64> [#uses=1]
|
|
%idx4 = getelementptr i8* %reg1601, i64 %reg132-idxcast1 ; <i8*> [#uses=1]
|
|
%reg1621 = load i8* %idx4 ; <i8> [#uses=2]
|
|
%cast108 = zext i8 %reg1621 to i64 ; <i64> [#uses=0]
|
|
%reg157 = add i32 %reg1321, 1 ; <i32> [#uses=1]
|
|
%idx5 = getelementptr [3 x %spec_fd_t]* @spec_fd, i64 0, i64 %reg107-idxcast1, i32 2 ; <i32*> [#uses=1]
|
|
store i32 %reg157, i32* %idx5
|
|
%reg163 = load i32* @dbglvl ; <i32> [#uses=1]
|
|
%cond272 = icmp sle i32 %reg163, 4 ; <i1> [#uses=1]
|
|
br i1 %cond272, label %bb11, label %bb10
|
|
|
|
bb10: ; preds = %bb9
|
|
%cast279 = getelementptr [4 x i8]* @.LC11, i64 0, i64 0 ; <i8*> [#uses=0]
|
|
br label %bb11
|
|
|
|
bb11: ; preds = %bb10, %bb9
|
|
%cast291 = zext i8 %reg1621 to i32 ; <i32> [#uses=1]
|
|
br label %UnifiedExitNode
|
|
|
|
UnifiedExitNode: ; preds = %bb11, %bb8, %bb4
|
|
%UnifiedRetVal = phi i32 [ 42, %bb4 ], [ -1, %bb8 ], [ %cast291, %bb11 ] ; <i32> [#uses=1]
|
|
ret i32 %UnifiedRetVal
|
|
}
|
|
|
|
declare i32 @puts(i8*)
|
|
|
|
declare i32 @printf(i8*, ...)
|