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      1 ; RUN: llc -march=hexagon < %s | FileCheck %s
      2 
      3 target triple = "hexagon"
      4 
      5 ; Function Attrs: nounwind readnone
      6 define i32 @f0(i32 %a0) #0 {
      7 b0:
      8 ; CHECK: cl0
      9   %v0 = tail call i32 @llvm.ctlz.i32(i32 %a0, i1 true)
     10   ret i32 %v0
     11 }
     12 
     13 ; Function Attrs: nounwind readnone speculatable
     14 declare i32 @llvm.ctlz.i32(i32, i1) #1
     15 
     16 ; Function Attrs: nounwind readnone speculatable
     17 declare i64 @llvm.ctlz.i64(i64, i1) #1
     18 
     19 ; Function Attrs: nounwind readnone
     20 define i32 @f1(i32 %a0) #0 {
     21 b0:
     22 ; CHECK: ct0
     23   %v0 = tail call i32 @llvm.cttz.i32(i32 %a0, i1 true)
     24   ret i32 %v0
     25 }
     26 
     27 ; Function Attrs: nounwind readnone speculatable
     28 declare i32 @llvm.cttz.i32(i32, i1) #1
     29 
     30 ; Function Attrs: nounwind readnone speculatable
     31 declare i64 @llvm.cttz.i64(i64, i1) #1
     32 
     33 ; Function Attrs: nounwind readnone
     34 define i32 @f2(i64 %a0) #0 {
     35 b0:
     36 ; CHECK: cl0
     37   %v0 = tail call i64 @llvm.ctlz.i64(i64 %a0, i1 true)
     38   %v1 = trunc i64 %v0 to i32
     39   ret i32 %v1
     40 }
     41 
     42 ; Function Attrs: nounwind readnone
     43 define i32 @f3(i64 %a0) #0 {
     44 b0:
     45 ; CHECK: ct0
     46   %v0 = tail call i64 @llvm.cttz.i64(i64 %a0, i1 true)
     47   %v1 = trunc i64 %v0 to i32
     48   ret i32 %v1
     49 }
     50 
     51 attributes #0 = { nounwind readnone }
     52 attributes #1 = { nounwind readnone speculatable }
     53