xref: /llvm-project/llvm/test/Instrumentation/MemorySanitizer/count-zeroes.ll (revision 31bfa4a69b127bfb7217ceb67ca4deeddd6bf28b)

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt %s -S -passes=msan 2>&1 | FileCheck %s

target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone
define i64 @test_ctlz_i64_zeropoison(i64 %v) #0 {
; CHECK-LABEL: @test_ctlz_i64_zeropoison(
; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
; CHECK-NEXT:    call void @llvm.donothing()
; CHECK-NEXT:    [[_MSCZ_BS:%.*]] = icmp ne i64 [[TMP1]], 0
; CHECK-NEXT:    [[_MSCZ_BZP:%.*]] = icmp eq i64 [[V:%.*]], 0
; CHECK-NEXT:    [[_MSCZ_BS1:%.*]] = or i1 [[_MSCZ_BS]], [[_MSCZ_BZP]]
; CHECK-NEXT:    [[_MSCZ_OS:%.*]] = sext i1 [[_MSCZ_BS1]] to i64
; CHECK-NEXT:    [[RES:%.*]] = call i64 @llvm.ctlz.i64(i64 [[V]], i1 true)
; CHECK-NEXT:    store i64 [[_MSCZ_OS]], ptr @__msan_retval_tls, align 8
; CHECK-NEXT:    ret i64 [[RES]]
;
  %res = call i64 @llvm.ctlz.i64(i64 %v, i1 true) ; <<i64>> [#uses=1]
  ret i64 %res
}
define i64 @test_ctlz_i64_nozeropoison(i64 %v) #0 {
; CHECK-LABEL: @test_ctlz_i64_nozeropoison(
; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
; CHECK-NEXT:    call void @llvm.donothing()
; CHECK-NEXT:    [[_MSCZ_BS:%.*]] = icmp ne i64 [[TMP1]], 0
; CHECK-NEXT:    [[_MSCZ_OS:%.*]] = sext i1 [[_MSCZ_BS]] to i64
; CHECK-NEXT:    [[RES:%.*]] = call i64 @llvm.ctlz.i64(i64 [[V:%.*]], i1 false)
; CHECK-NEXT:    store i64 [[_MSCZ_OS]], ptr @__msan_retval_tls, align 8
; CHECK-NEXT:    ret i64 [[RES]]
;
  %res = call i64 @llvm.ctlz.i64(i64 %v, i1 false) ; <<i64>> [#uses=1]
  ret i64 %res
}

declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1) nounwind readnone
define <2 x i64> @test_ctlz_v2i64_zeropoison(<2 x i64> %v) #0 {
; CHECK-LABEL: @test_ctlz_v2i64_zeropoison(
; CHECK-NEXT:    [[TMP1:%.*]] = load <2 x i64>, ptr @__msan_param_tls, align 8
; CHECK-NEXT:    call void @llvm.donothing()
; CHECK-NEXT:    [[_MSCZ_BS:%.*]] = icmp ne <2 x i64> [[TMP1]], zeroinitializer
; CHECK-NEXT:    [[_MSCZ_BZP:%.*]] = icmp eq <2 x i64> [[V:%.*]], zeroinitializer
; CHECK-NEXT:    [[_MSCZ_BS1:%.*]] = or <2 x i1> [[_MSCZ_BS]], [[_MSCZ_BZP]]
; CHECK-NEXT:    [[_MSCZ_OS:%.*]] = sext <2 x i1> [[_MSCZ_BS1]] to <2 x i64>
; CHECK-NEXT:    [[RES:%.*]] = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> [[V]], i1 true)
; CHECK-NEXT:    store <2 x i64> [[_MSCZ_OS]], ptr @__msan_retval_tls, align 8
; CHECK-NEXT:    ret <2 x i64> [[RES]]
;
  %res = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %v, i1 true) ; <<2 x i64>> [#uses=1]
  ret <2 x i64> %res
}
define <2 x i64> @test_ctlz_v2i64_nozeropoison(<2 x i64> %v) #0 {
; CHECK-LABEL: @test_ctlz_v2i64_nozeropoison(
; CHECK-NEXT:    [[TMP1:%.*]] = load <2 x i64>, ptr @__msan_param_tls, align 8
; CHECK-NEXT:    call void @llvm.donothing()
; CHECK-NEXT:    [[_MSCZ_BS:%.*]] = icmp ne <2 x i64> [[TMP1]], zeroinitializer
; CHECK-NEXT:    [[_MSCZ_OS:%.*]] = sext <2 x i1> [[_MSCZ_BS]] to <2 x i64>
; CHECK-NEXT:    [[RES:%.*]] = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> [[V:%.*]], i1 false)
; CHECK-NEXT:    store <2 x i64> [[_MSCZ_OS]], ptr @__msan_retval_tls, align 8
; CHECK-NEXT:    ret <2 x i64> [[RES]]
;
  %res = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %v, i1 false) ; <<2 x i64>> [#uses=1]
  ret <2 x i64> %res
}

declare i64 @llvm.cttz.i64(i64, i1) nounwind readnone
define i64 @test_cttz_i64_zeropoison(i64 %v) #0 {
; CHECK-LABEL: @test_cttz_i64_zeropoison(
; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
; CHECK-NEXT:    call void @llvm.donothing()
; CHECK-NEXT:    [[_MSCZ_BS:%.*]] = icmp ne i64 [[TMP1]], 0
; CHECK-NEXT:    [[_MSCZ_BZP:%.*]] = icmp eq i64 [[V:%.*]], 0
; CHECK-NEXT:    [[_MSCZ_BS1:%.*]] = or i1 [[_MSCZ_BS]], [[_MSCZ_BZP]]
; CHECK-NEXT:    [[_MSCZ_OS:%.*]] = sext i1 [[_MSCZ_BS1]] to i64
; CHECK-NEXT:    [[RES:%.*]] = call i64 @llvm.cttz.i64(i64 [[V]], i1 true)
; CHECK-NEXT:    store i64 [[_MSCZ_OS]], ptr @__msan_retval_tls, align 8
; CHECK-NEXT:    ret i64 [[RES]]
;
  %res = call i64 @llvm.cttz.i64(i64 %v, i1 true) ; <<i64>> [#uses=1]
  ret i64 %res
}
define i64 @test_cttz_i64_nozeropoison(i64 %v) #0 {
; CHECK-LABEL: @test_cttz_i64_nozeropoison(
; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
; CHECK-NEXT:    call void @llvm.donothing()
; CHECK-NEXT:    [[_MSCZ_BS:%.*]] = icmp ne i64 [[TMP1]], 0
; CHECK-NEXT:    [[_MSCZ_OS:%.*]] = sext i1 [[_MSCZ_BS]] to i64
; CHECK-NEXT:    [[RES:%.*]] = call i64 @llvm.cttz.i64(i64 [[V:%.*]], i1 false)
; CHECK-NEXT:    store i64 [[_MSCZ_OS]], ptr @__msan_retval_tls, align 8
; CHECK-NEXT:    ret i64 [[RES]]
;
  %res = call i64 @llvm.cttz.i64(i64 %v, i1 false) ; <<i64>> [#uses=1]
  ret i64 %res
}

declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>, i1) nounwind readnone
define <2 x i64> @test_cttz_v2i64_zeropoison(<2 x i64> %v) #0 {
; CHECK-LABEL: @test_cttz_v2i64_zeropoison(
; CHECK-NEXT:    [[TMP1:%.*]] = load <2 x i64>, ptr @__msan_param_tls, align 8
; CHECK-NEXT:    call void @llvm.donothing()
; CHECK-NEXT:    [[_MSCZ_BS:%.*]] = icmp ne <2 x i64> [[TMP1]], zeroinitializer
; CHECK-NEXT:    [[_MSCZ_BZP:%.*]] = icmp eq <2 x i64> [[V:%.*]], zeroinitializer
; CHECK-NEXT:    [[_MSCZ_BS1:%.*]] = or <2 x i1> [[_MSCZ_BS]], [[_MSCZ_BZP]]
; CHECK-NEXT:    [[_MSCZ_OS:%.*]] = sext <2 x i1> [[_MSCZ_BS1]] to <2 x i64>
; CHECK-NEXT:    [[RES:%.*]] = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> [[V]], i1 true)
; CHECK-NEXT:    store <2 x i64> [[_MSCZ_OS]], ptr @__msan_retval_tls, align 8
; CHECK-NEXT:    ret <2 x i64> [[RES]]
;
  %res = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %v, i1 true) ; <<2 x i64>> [#uses=1]
  ret <2 x i64> %res
}
define <2 x i64> @test_cttz_v2i64_nozeropoison(<2 x i64> %v) #0 {
; CHECK-LABEL: @test_cttz_v2i64_nozeropoison(
; CHECK-NEXT:    [[TMP1:%.*]] = load <2 x i64>, ptr @__msan_param_tls, align 8
; CHECK-NEXT:    call void @llvm.donothing()
; CHECK-NEXT:    [[_MSCZ_BS:%.*]] = icmp ne <2 x i64> [[TMP1]], zeroinitializer
; CHECK-NEXT:    [[_MSCZ_OS:%.*]] = sext <2 x i1> [[_MSCZ_BS]] to <2 x i64>
; CHECK-NEXT:    [[RES:%.*]] = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> [[V:%.*]], i1 false)
; CHECK-NEXT:    store <2 x i64> [[_MSCZ_OS]], ptr @__msan_retval_tls, align 8
; CHECK-NEXT:    ret <2 x i64> [[RES]]
;
  %res = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %v, i1 false) ; <<2 x i64>> [#uses=1]
  ret <2 x i64> %res
}


attributes #0 = { sanitize_memory }