1 ; RUN: llc < %s -mtriple=thumbv6-apple-darwin -relocation-model=pic -disable-fp-elim -mattr=+v6 -verify-machineinstrs | FileCheck %s 2 ; rdar://7157006 3 4 %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 } 5 %struct.__sFILEX = type opaque 6 %struct.__sbuf = type { i8*, i32 } 7 %struct.asl_file_t = type { i32, i32, i32, %struct.file_string_t*, i64, i64, i64, i64, i64, i64, i32, %struct.FILE*, i8*, i8* } 8 %struct.file_string_t = type { i64, i32, %struct.file_string_t*, [0 x i8] } 9 10 @llvm.used = appending global [1 x i8*] [i8* bitcast (i32 (%struct.asl_file_t*, i64, i64*)* @t to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] 11 12 define i32 @t(%struct.asl_file_t* %s, i64 %off, i64* %out) nounwind optsize { 13 ; CHECK-LABEL: t: 14 ; CHECK: adds {{r[0-7]}}, #8 15 entry: 16 %val = alloca i64, align 4 ; <i64*> [#uses=3] 17 %0 = icmp eq %struct.asl_file_t* %s, null ; <i1> [#uses=1] 18 br i1 %0, label %bb13, label %bb1 19 20 bb1: ; preds = %entry 21 %1 = getelementptr inbounds %struct.asl_file_t* %s, i32 0, i32 11 ; <%struct.FILE**> [#uses=2] 22 %2 = load %struct.FILE** %1, align 4 ; <%struct.FILE*> [#uses=2] 23 %3 = icmp eq %struct.FILE* %2, null ; <i1> [#uses=1] 24 br i1 %3, label %bb13, label %bb3 25 26 bb3: ; preds = %bb1 27 %4 = add nsw i64 %off, 8 ; <i64> [#uses=1] 28 %5 = getelementptr inbounds %struct.asl_file_t* %s, i32 0, i32 10 ; <i32*> [#uses=1] 29 %6 = load i32* %5, align 4 ; <i32> [#uses=1] 30 %7 = zext i32 %6 to i64 ; <i64> [#uses=1] 31 %8 = icmp sgt i64 %4, %7 ; <i1> [#uses=1] 32 br i1 %8, label %bb13, label %bb5 33 34 bb5: ; preds = %bb3 35 %9 = call i32 @fseeko(%struct.FILE* %2, i64 %off, i32 0) nounwind ; <i32> [#uses=1] 36 %10 = icmp eq i32 %9, 0 ; <i1> [#uses=1] 37 br i1 %10, label %bb7, label %bb13 38 39 bb7: ; preds = %bb5 40 store i64 0, i64* %val, align 4 41 %11 = load %struct.FILE** %1, align 4 ; <%struct.FILE*> [#uses=1] 42 %val8 = bitcast i64* %val to i8* ; <i8*> [#uses=1] 43 %12 = call i32 @fread(i8* noalias %val8, i32 8, i32 1, %struct.FILE* noalias %11) nounwind ; <i32> [#uses=1] 44 %13 = icmp eq i32 %12, 1 ; <i1> [#uses=1] 45 br i1 %13, label %bb10, label %bb13 46 47 bb10: ; preds = %bb7 48 %14 = icmp eq i64* %out, null ; <i1> [#uses=1] 49 br i1 %14, label %bb13, label %bb11 50 51 bb11: ; preds = %bb10 52 %15 = load i64* %val, align 4 ; <i64> [#uses=1] 53 %16 = call i64 @asl_core_ntohq(i64 %15) nounwind ; <i64> [#uses=1] 54 store i64 %16, i64* %out, align 4 55 ret i32 0 56 57 bb13: ; preds = %bb10, %bb7, %bb5, %bb3, %bb1, %entry 58 %.0 = phi i32 [ 2, %entry ], [ 2, %bb1 ], [ 7, %bb3 ], [ 7, %bb5 ], [ 7, %bb7 ], [ 0, %bb10 ] ; <i32> [#uses=1] 59 ret i32 %.0 60 } 61 62 declare i32 @fseeko(%struct.FILE* nocapture, i64, i32) nounwind 63 64 declare i32 @fread(i8* noalias nocapture, i32, i32, %struct.FILE* noalias nocapture) nounwind 65 66 declare i64 @asl_core_ntohq(i64) 67
