llvm/test/CodeGen/RISCV/branch.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN:   | FileCheck -check-prefix=RV32I %s

define void @foo(i32 %a, i32 *%b, i1 %c) nounwind {
; RV32I-LABEL: foo:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    beq a3, a0, .LBB0_14
; RV32I-NEXT:  # %bb.1: # %test2
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    bne a3, a0, .LBB0_14
; RV32I-NEXT:  # %bb.2: # %test3
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    blt a3, a0, .LBB0_14
; RV32I-NEXT:  # %bb.3: # %test4
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    bge a3, a0, .LBB0_14
; RV32I-NEXT:  # %bb.4: # %test5
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    bltu a3, a0, .LBB0_14
; RV32I-NEXT:  # %bb.5: # %test6
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    bgeu a3, a0, .LBB0_14
; RV32I-NEXT:  # %bb.6: # %test7
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    blt a0, a3, .LBB0_14
; RV32I-NEXT:  # %bb.7: # %test8
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    bge a0, a3, .LBB0_14
; RV32I-NEXT:  # %bb.8: # %test9
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    bltu a0, a3, .LBB0_14
; RV32I-NEXT:  # %bb.9: # %test10
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    bgeu a0, a3, .LBB0_14
; RV32I-NEXT:  # %bb.10: # %test11
; RV32I-NEXT:    lw a0, 0(a1)
; RV32I-NEXT:    andi a0, a2, 1
; RV32I-NEXT:    bnez a0, .LBB0_14
; RV32I-NEXT:  # %bb.11: # %test12
; RV32I-NEXT:    lw a0, 0(a1)
; RV32I-NEXT:    bgez a0, .LBB0_14
; RV32I-NEXT:  # %bb.12: # %test13
; RV32I-NEXT:    lw a0, 0(a1)
; RV32I-NEXT:    blez a0, .LBB0_14
; RV32I-NEXT:  # %bb.13: # %test14
; RV32I-NEXT:    lw a0, 0(a1)
; RV32I-NEXT:  .LBB0_14: # %end
; RV32I-NEXT:    ret
  %val1 = load volatile i32, i32* %b
  %tst1 = icmp eq i32 %val1, %a
  br i1 %tst1, label %end, label %test2

test2:
  %val2 = load volatile i32, i32* %b
  %tst2 = icmp ne i32 %val2, %a
  br i1 %tst2, label %end, label %test3

test3:
  %val3 = load volatile i32, i32* %b
  %tst3 = icmp slt i32 %val3, %a
  br i1 %tst3, label %end, label %test4

test4:
  %val4 = load volatile i32, i32* %b
  %tst4 = icmp sge i32 %val4, %a
  br i1 %tst4, label %end, label %test5

test5:
  %val5 = load volatile i32, i32* %b
  %tst5 = icmp ult i32 %val5, %a
  br i1 %tst5, label %end, label %test6

test6:
  %val6 = load volatile i32, i32* %b
  %tst6 = icmp uge i32 %val6, %a
  br i1 %tst6, label %end, label %test7

; Check for condition codes that don't have a matching instruction

test7:
  %val7 = load volatile i32, i32* %b
  %tst7 = icmp sgt i32 %val7, %a
  br i1 %tst7, label %end, label %test8

test8:
  %val8 = load volatile i32, i32* %b
  %tst8 = icmp sle i32 %val8, %a
  br i1 %tst8, label %end, label %test9

test9:
  %val9 = load volatile i32, i32* %b
  %tst9 = icmp ugt i32 %val9, %a
  br i1 %tst9, label %end, label %test10

test10:
  %val10 = load volatile i32, i32* %b
  %tst10 = icmp ule i32 %val10, %a
  br i1 %tst10, label %end, label %test11

; Check the case of a branch where the condition was generated in another
; function

test11:
  %val11 = load volatile i32, i32* %b
  br i1 %c, label %end, label %test12

; Check that we use bgez for X > -1 which is the canonical form.

test12:
  %val12 = load volatile i32, i32* %b
  %tst12 = icmp sgt i32 %val12, -1
  br i1 %tst12, label %end, label %test13

; Check that we use blez (X <= 0) for (X < 1)

test13:
  %val13 = load volatile i32, i32* %b
  %tst13 = icmp slt i32 %val13, 1
  br i1 %tst13, label %end, label %test14

test14:
  %val14 = load volatile i32, i32* %b
  br label %end

end:
  ret void
}