forked from OSchip/llvm-project
21 lines
752 B
LLVM
21 lines
752 B
LLVM
; RUN: llc -mcpu=g5 < %s | FileCheck %s
|
|
target datalayout = "E-m:e-i64:64-n32:64"
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
|
|
|
define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) nounwind {
|
|
%tmp19 = load i64, i64* %t
|
|
%tmp22 = tail call i64 @llvm.ctlz.i64( i64 %tmp19, i1 true ) ; <i64> [#uses=1]
|
|
%tmp23 = trunc i64 %tmp22 to i32
|
|
%tmp89 = add i32 %tmp23, -64 ; <i32> [#uses=1]
|
|
%tmp90 = add i32 %tmp89, 0 ; <i32> [#uses=1]
|
|
ret i32 %tmp90
|
|
|
|
; CHECK-LABEL: @_ZNK4llvm5APInt17countLeadingZerosEv
|
|
; CHECK: ld [[REG1:[0-9]+]], 0(3)
|
|
; CHECK-NEXT: cntlzd [[REG2:[0-9]+]], [[REG1]]
|
|
; CHECK-NEXT: addi 3, [[REG2]], -64
|
|
; CHECK-NEXT: blr
|
|
}
|
|
|
|
declare i64 @llvm.ctlz.i64(i64, i1)
|