run0b.ll

; ModuleID = 'bugpoint-reduced-simplified.bc'
source_filename = "core.3a1fbbbh-cgu.0"
target datalayout = "e-P1-p:16:8-i8:8-i16:8-i32:8-i64:8-f32:8-f64:8-n8-a:8"
target triple = "avr-unknown-unknown"

%"num::bignum::Big32x40.41.177.449.721.1129.1265.1401.1673.2353.2489.4121.4393.5440" = type { [0 x i8], i16, [0 x i8], [40 x i32], [0 x i8] }

; Function Attrs: uwtable
define void @_ZN4core3num7dec2flt3num13digits_to_big17h031da338f3e8f164E() unnamed_addr addrspace(0) #0 personality i32 (...) addrspace(1)* @rust_eh_personality {
start:
  %_7.sroa.0.0..sroa_idx.i = getelementptr inbounds %"num::bignum::Big32x40.41.177.449.721.1129.1265.1401.1673.2353.2489.4121.4393.5440", %"num::bignum::Big32x40.41.177.449.721.1129.1265.1401.1673.2353.2489.4121.4393.5440"* undef, i16 0, i32 3, i16 0
  switch i2 undef, label %bb5.i2 [
    i2 0, label %bb2.i
    i2 1, label %bb3.i
    i2 -2, label %bb4.i
  ]

bb2.i:                                            ; preds = %start
  unreachable

bb3.i:                                            ; preds = %start
  unreachable

bb4.i:                                            ; preds = %start
  br i1 undef, label %bb7, label %bb9.i5.i

bb9.i5.i:                                         ; preds = %bb4.i
  %0 = call addrspace(1) { i8, i1 } @llvm.usub.with.overflow.i8(i8 0, i8 48)
  %1 = extractvalue { i8, i1 } %0, 0
  %2 = zext i8 %1 to i32
  %3 = load i32, i32* %_7.sroa.0.0..sroa_idx.i, align 1
  %4 = call addrspace(1) { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %3, i32 %2) #3
  %5 = extractvalue { i32, i1 } %4, 0
  store i32 %5, i32* %_7.sroa.0.0..sroa_idx.i, align 1
  unreachable

bb5.i2:                                           ; preds = %start
  unreachable

bb7:                                              ; preds = %bb4.i
  ret void
}

; Function Attrs: nounwind readnone speculatable
declare { i8, i1 } @llvm.usub.with.overflow.i8(i8, i8) addrspace(1) #1

declare i32 @rust_eh_personality(...) unnamed_addr addrspace(1) #2

; Function Attrs: nounwind readnone speculatable
declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32) addrspace(1) #1

attributes #0 = { uwtable }
attributes #1 = { nounwind readnone speculatable }
attributes #2 = { "target-cpu"="atmega32u4" }
attributes #3 = { nounwind }