test.ll

source_filename = "Island"
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32"

define void @go(i8) #7  {
BasicBlock15557:
  %1 = icmp sgt i8 %0, -1
  br i1 %1, label %BasicBlock15559, label %BasicBlock15561

BasicBlock15559:
  tail call void @llvm.trap()
  unreachable

BasicBlock15561:
  ret void
}

declare void @llvm.trap()


define void @Test() {
  call void @go(i8 12)
  ret void
}

/*

llc -O0 test.ll -filetype=asm -o -
        .text
        .file   "Island"
        .section        .text.go,"",@
        .globl  go                      # -- Begin function go
        .type   go,@function
go:                                     # @go
        .param          i32
        .local          i32, i32, i32, i32, i32, i32, i32
# BB#0:                                 # %BasicBlock15557
        i32.const       $push0=, 255
        set_local       1, $pop0
        i32.const       $push1=, 255
        set_local       2, $pop1
        get_local       $push4=, 0
        get_local       $push3=, 2
        i32.and         $push2=, $pop4, $pop3
        set_local       3, $pop2
        i32.const       $push5=, 255
        set_local       4, $pop5
        get_local       $push8=, 1
        get_local       $push7=, 4
        i32.and         $push6=, $pop8, $pop7
        set_local       5, $pop6
        get_local       $push11=, 3
        get_local       $push10=, 5
        i32.gt_s        $push9=, $pop11, $pop10
        set_local       6, $pop9
        get_local       $push12=, 6
        set_local       7, $pop12
        block
        get_local       $push13=, 7
        i32.eqz         $push14=, $pop13
        br_if           0, $pop14       # 0: down to label0
# BB#1:                                 # %BasicBlock15559
        unreachable
        unreachable
.LBB0_2:                                # %BasicBlock15561
        end_block                       # label0:
        return
        end_function
.Lfunc_end0:
        .size   go, .Lfunc_end0-go
                                        # -- End function
        .section        .text.Test,"",@
        .globl  Test                    # -- Begin function Test
        .type   Test,@function
Test:                                   # @Test
        .local          i32
# BB#0:
        i32.const       $push0=, 12
        set_local       0, $pop0
        get_local       $push1=, 0
        call            go@FUNCTION, $pop1
        return
        end_function
.Lfunc_end1:
        .size   Test, .Lfunc_end1-Test
                                        # -- End function
 */