| Andrew Lenharth | e8aebf7 | 2005-05-04 15:56:34 +0000 | [diff] [blame] | 1 | ; Make sure this testcase codegens to the ctlz instruction |
| Dan Gohman | fce288f | 2009-09-09 00:09:15 +0000 | [diff] [blame^] | 2 | ; RUN: llc < %s -march=alpha -mcpu=ev67 | grep -i ctlz |
| 3 | ; RUN: llc < %s -march=alpha -mattr=+CIX | grep -i ctlz |
| 4 | ; RUN: llc < %s -march=alpha -mcpu=ev6 | not grep -i ctlz |
| 5 | ; RUN: llc < %s -march=alpha -mattr=-CIX | not grep -i ctlz |
| Andrew Lenharth | d3942b4 | 2005-05-04 15:51:07 +0000 | [diff] [blame] | 6 | |
| Chandler Carruth | 6994040 | 2007-08-04 01:51:18 +0000 | [diff] [blame] | 7 | declare i8 @llvm.ctlz.i8(i8) |
| Andrew Lenharth | d3942b4 | 2005-05-04 15:51:07 +0000 | [diff] [blame] | 8 | |
| Reid Spencer | 65f47a3 | 2007-04-15 18:40:57 +0000 | [diff] [blame] | 9 | define i32 @bar(i8 %x) { |
| Andrew Lenharth | d3942b4 | 2005-05-04 15:51:07 +0000 | [diff] [blame] | 10 | entry: |
| Chandler Carruth | 6994040 | 2007-08-04 01:51:18 +0000 | [diff] [blame] | 11 | %tmp.1 = call i8 @llvm.ctlz.i8( i8 %x ) |
| 12 | %tmp.2 = sext i8 %tmp.1 to i32 |
| 13 | ret i32 %tmp.2 |
| Andrew Lenharth | d3942b4 | 2005-05-04 15:51:07 +0000 | [diff] [blame] | 14 | } |