llvm/test/Transforms/PreISelIntrinsicLowering/looptrap.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; REQUIRES: x86-registered-target, mips-registered-target
; RUN: opt -mtriple=x86_64 -passes=pre-isel-intrinsic-lowering -S < %s | FileCheck --check-prefix=X86 %s
; RUN: opt -mtriple=mips64 -passes=pre-isel-intrinsic-lowering -S < %s | FileCheck --check-prefix=MIPS %s

define void @f1(i64 %a, i64 %b, i64 %c, i64 %d) {
; X86-LABEL: define void @f1(
; X86-SAME: i64 [[A:%.*]], i64 [[B:%.*]], i64 [[C:%.*]], i64 [[D:%.*]]) {
; X86-NEXT:    [[CMP:%.*]] = icmp ult i64 [[A]], [[B]]
; X86-NEXT:    call void @llvm.cond.loop(i1 [[CMP]])
; X86-NEXT:    br i1 false, label %[[TRAP:.*]], label %[[CONT1:.*]]
; X86:       [[CONT1]]:
; X86-NEXT:    [[CMP2:%.*]] = icmp ult i64 [[C]], [[D]]
; X86-NEXT:    [[TMP1:%.*]] = xor i1 [[CMP2]], true
; X86-NEXT:    call void @llvm.cond.loop(i1 [[TMP1]])
; X86-NEXT:    br i1 true, label %[[CONT2:.*]], label %[[TRAP]]
; X86:       [[CONT2]]:
; X86-NEXT:    ret void
; X86:       [[TRAP]]:
; X86-NEXT:    call void @llvm.cond.loop(i1 true)
; X86-NEXT:    unreachable
;
; MIPS-LABEL: define void @f1(
; MIPS-SAME: i64 [[A:%.*]], i64 [[B:%.*]], i64 [[C:%.*]], i64 [[D:%.*]]) {
; MIPS-NEXT:    [[CMP:%.*]] = icmp ult i64 [[A]], [[B]]
; MIPS-NEXT:    br i1 [[CMP]], label %[[BB1:.*]], label %[[BB2:.*]]
; MIPS:       [[BB1]]:
; MIPS-NEXT:    br label %[[BB1]]
; MIPS:       [[BB2]]:
; MIPS-NEXT:    br i1 false, label %[[TRAP:.*]], label %[[CONT1:.*]]
; MIPS:       [[CONT1]]:
; MIPS-NEXT:    [[CMP2:%.*]] = icmp ult i64 [[C]], [[D]]
; MIPS-NEXT:    [[TMP3:%.*]] = xor i1 [[CMP2]], true
; MIPS-NEXT:    br i1 [[TMP3]], label %[[BB4:.*]], label %[[BB5:.*]]
; MIPS:       [[BB4]]:
; MIPS-NEXT:    br label %[[BB4]]
; MIPS:       [[BB5]]:
; MIPS-NEXT:    br i1 true, label %[[CONT2:.*]], label %[[TRAP]]
; MIPS:       [[CONT2]]:
; MIPS-NEXT:    ret void
; MIPS:       [[TRAP]]:
; MIPS-NEXT:    br i1 true, label %[[BB6:.*]], label %[[BB7:.*]]
; MIPS:       [[BB6]]:
; MIPS-NEXT:    br label %[[BB6]]
; MIPS:       [[BB7]]:
; MIPS-NEXT:    unreachable
;
  %cmp = icmp ult i64 %a, %b
  br i1 %cmp, label %trap, label %cont1

cont1:
  %cmp2 = icmp ult i64 %c, %d
  br i1 %cmp2, label %cont2, label %trap

cont2:
  ret void

trap:
  call void @llvm.looptrap()
  unreachable
}

define void @f2() {
; X86-LABEL: define void @f2() {
; X86-NEXT:    call void @llvm.cond.loop(i1 true)
; X86-NEXT:    ret void
;
; MIPS-LABEL: define void @f2() {
; MIPS-NEXT:    br i1 true, label %[[BB1:.*]], label %[[BB2:.*]]
; MIPS:       [[BB1]]:
; MIPS-NEXT:    br label %[[BB1]]
; MIPS:       [[BB2]]:
; MIPS-NEXT:    ret void
;
  call void @llvm.looptrap()
  ret void
}

define void @f3() personality ptr @foo {
; X86-LABEL: define void @f3() personality ptr @foo {
; X86-NEXT:    invoke void @foo()
; X86-NEXT:            to label %[[CONT:.*]] unwind label %[[TRAP:.*]]
; X86:       [[CONT]]:
; X86-NEXT:    ret void
; X86:       [[TRAP]]:
; X86-NEXT:    [[PAD:%.*]] = landingpad { ptr, i32 }
; X86-NEXT:            cleanup
; X86-NEXT:    call void @llvm.cond.loop(i1 true)
; X86-NEXT:    unreachable
;
; MIPS-LABEL: define void @f3() personality ptr @foo {
; MIPS-NEXT:    invoke void @foo()
; MIPS-NEXT:            to label %[[CONT:.*]] unwind label %[[TRAP:.*]]
; MIPS:       [[CONT]]:
; MIPS-NEXT:    ret void
; MIPS:       [[TRAP]]:
; MIPS-NEXT:    [[PAD:%.*]] = landingpad { ptr, i32 }
; MIPS-NEXT:            cleanup
; MIPS-NEXT:    br i1 true, label %[[BB1:.*]], label %[[BB2:.*]]
; MIPS:       [[BB1]]:
; MIPS-NEXT:    br label %[[BB1]]
; MIPS:       [[BB2]]:
; MIPS-NEXT:    unreachable
;
  invoke void @foo() to label %cont unwind label %trap

cont:
  ret void

trap:
  %pad = landingpad { ptr, i32 } cleanup
  call void @llvm.looptrap()
  unreachable
}


define void @f4(i64 %a, i64 %b, ptr %p) {
; X86-LABEL: define void @f4(
; X86-SAME: i64 [[A:%.*]], i64 [[B:%.*]], ptr [[P:%.*]]) {
; X86-NEXT:    [[CMP:%.*]] = icmp ult i64 [[A]], [[B]]
; X86-NEXT:    br i1 [[CMP]], label %[[TRAP:.*]], label %[[CONT:.*]]
; X86:       [[CONT]]:
; X86-NEXT:    ret void
; X86:       [[TRAP]]:
; X86-NEXT:    store volatile i32 1, ptr [[P]], align 4
; X86-NEXT:    call void @llvm.cond.loop(i1 true)
; X86-NEXT:    unreachable
;
; MIPS-LABEL: define void @f4(
; MIPS-SAME: i64 [[A:%.*]], i64 [[B:%.*]], ptr [[P:%.*]]) {
; MIPS-NEXT:    [[CMP:%.*]] = icmp ult i64 [[A]], [[B]]
; MIPS-NEXT:    br i1 [[CMP]], label %[[TRAP:.*]], label %[[CONT:.*]]
; MIPS:       [[CONT]]:
; MIPS-NEXT:    ret void
; MIPS:       [[TRAP]]:
; MIPS-NEXT:    store volatile i32 1, ptr [[P]], align 4
; MIPS-NEXT:    br i1 true, label %[[BB1:.*]], label %[[BB2:.*]]
; MIPS:       [[BB1]]:
; MIPS-NEXT:    br label %[[BB1]]
; MIPS:       [[BB2]]:
; MIPS-NEXT:    unreachable
;
  %cmp = icmp ult i64 %a, %b
  br i1 %cmp, label %trap, label %cont

cont:
  ret void

trap:
  store volatile i32 1, ptr %p
  call void @llvm.looptrap()
  unreachable
}

declare void @foo()