| Dan Gohman | 77502c9 | 2009-03-13 02:25:09 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | llc -march=x86-64 | grep {cmpb \$0, (%r.\*,%r.\*)} |
| 2 | |
| 3 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" |
| 4 | target triple = "x86_64-apple-darwin9.6" |
| 5 | @prev_length = internal global i32 0 ; <i32*> [#uses=1] |
| 6 | @window = internal global [65536 x i8] zeroinitializer, align 32 ; <[65536 x i8]*> [#uses=1] |
| 7 | @llvm.used = appending global [1 x i8*] [i8* bitcast (i32 (i32)* @longest_match to i8*)] ; <[1 x i8*]*> [#uses=0] |
| 8 | |
| 9 | define fastcc i32 @longest_match(i32 %cur_match) nounwind { |
| 10 | entry: |
| 11 | %0 = load i32* @prev_length, align 4 ; <i32> [#uses=3] |
| 12 | %1 = zext i32 %cur_match to i64 ; <i64> [#uses=1] |
| 13 | %2 = sext i32 %0 to i64 ; <i64> [#uses=1] |
| 14 | %.sum3 = add i64 %1, %2 ; <i64> [#uses=1] |
| 15 | %3 = getelementptr [65536 x i8]* @window, i64 0, i64 %.sum3 ; <i8*> [#uses=1] |
| 16 | %4 = load i8* %3, align 1 ; <i8> [#uses=1] |
| 17 | %5 = icmp eq i8 %4, 0 ; <i1> [#uses=1] |
| 18 | br i1 %5, label %bb5, label %bb23 |
| 19 | |
| 20 | bb5: ; preds = %entry |
| 21 | ret i32 %0 |
| 22 | |
| 23 | bb23: ; preds = %entry |
| 24 | ret i32 %0 |
| 25 | } |