| Ehsan Amiri | a538b0f | 2016-08-03 18:17:35 +0000 | [diff] [blame] | 1 | ; RUN: llc -verify-machineinstrs -mcpu=g5 < %s | FileCheck %s |
| Hal Finkel | f93f56d | 2015-01-05 23:17:43 +0000 | [diff] [blame] | 2 | target datalayout = "E-m:e-i64:64-n32:64" |
| 3 | target triple = "powerpc64-unknown-linux-gnu" |
| Chris Lattner | 31b80d5 | 2007-03-25 04:43:51 +0000 | [diff] [blame] | 4 | |
| Chris Lattner | 295097c | 2010-11-14 22:22:14 +0000 | [diff] [blame] | 5 | define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) nounwind { |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 6 | %tmp19 = load i64, i64* %t |
| Chandler Carruth | 6b0e34c | 2011-12-12 11:59:10 +0000 | [diff] [blame] | 7 | %tmp22 = tail call i64 @llvm.ctlz.i64( i64 %tmp19, i1 true ) ; <i64> [#uses=1] |
| Chandler Carruth | 7132e00 | 2007-08-04 01:51:18 +0000 | [diff] [blame] | 8 | %tmp23 = trunc i64 %tmp22 to i32 |
| Reid Spencer | c3d8768 | 2007-04-01 07:36:28 +0000 | [diff] [blame] | 9 | %tmp89 = add i32 %tmp23, -64 ; <i32> [#uses=1] |
| 10 | %tmp90 = add i32 %tmp89, 0 ; <i32> [#uses=1] |
| Chris Lattner | 31b80d5 | 2007-03-25 04:43:51 +0000 | [diff] [blame] | 11 | ret i32 %tmp90 |
| Hal Finkel | 9187711 | 2015-01-05 21:53:52 +0000 | [diff] [blame] | 12 | |
| 13 | ; CHECK-LABEL: @_ZNK4llvm5APInt17countLeadingZerosEv |
| 14 | ; CHECK: ld [[REG1:[0-9]+]], 0(3) |
| 15 | ; CHECK-NEXT: cntlzd [[REG2:[0-9]+]], [[REG1]] |
| 16 | ; CHECK-NEXT: addi 3, [[REG2]], -64 |
| 17 | ; CHECK-NEXT: blr |
| Chris Lattner | 31b80d5 | 2007-03-25 04:43:51 +0000 | [diff] [blame] | 18 | } |
| 19 | |
| Chandler Carruth | 6b0e34c | 2011-12-12 11:59:10 +0000 | [diff] [blame] | 20 | declare i64 @llvm.ctlz.i64(i64, i1) |