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; RUN: llc -mtriple=arc < %s | FileCheck %s
target triple = "arc"
declare i32 @llvm.ctlz.i32(i32, i1)
declare i32 @llvm.cttz.i32(i32, i1)
declare i64 @llvm.readcyclecounter()
; CHECK-LABEL: test_ctlz_i32:
; CHECK: fls.f %r0, %r0
; CHECK-NEXT: mov.eq %r0, 32
; CHECK-NEXT: rsub.ne %r0, %r0, 31
define i32 @test_ctlz_i32(i32 %x) {
%a = call i32 @llvm.ctlz.i32(i32 %x, i1 false)
ret i32 %a
}
; CHECK-LABEL: test_cttz_i32:
; CHECK: ffs.f %r0, %r0
; CHECK-NEXT: mov.eq %r0, 32
define i32 @test_cttz_i32(i32 %x) {
%a = call i32 @llvm.cttz.i32(i32 %x, i1 false)
ret i32 %a
}
; CHECK-LABEL: test_readcyclecounter:
; CHECK: lr %r0, [33]
; CHECK-NEXT: mov %r1, 0
define i64 @test_readcyclecounter() nounwind {
%a = call i64 @llvm.readcyclecounter()
ret i64 %a
}
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