llvm/test/Transforms/AlignmentFromAssumptions/amdgpu-crash.ll

   1 ; Test that we don't crash.
   2 ; RUN: opt < %s -alignment-from-assumptions -S
   3 ; RUN: opt < %s -passes=alignment-from-assumptions -S
   4
   5 target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-ni:7"
   6
   7 %"core::str::CharIndices.29.66.90.114.138.149.165.173.181.197.205.213.229.387.398" = type { [0 x i64], i64, [0 x i64], { i8*, i8* }, [0 x i64] }
   8 %"unwind::libunwind::_Unwind_Exception.9.51.75.99.123.147.163.171.179.195.203.211.227.385.396" = type { [0 x i64], i64, [0 x i64], void (i32, %"unwind::libunwind::_Unwind_Exception.9.51.75.99.123.147.163.171.179.195.203.211.227.385.396"*)*, [0 x i64], [6 x i64], [0 x i64] }
   9 %"unwind::libunwind::_Unwind_Context.10.52.76.100.124.148.164.172.180.196.204.212.228.386.397" = type { [0 x i8] }
  10
  11 define void @"_ZN44_$LT$$RF$T$u20$as$u20$core..fmt..Display$GT$3fmt17h7b1d039c7ff5e1feE"() {
  12 start:
  13   %_15.i.i = alloca %"core::str::CharIndices.29.66.90.114.138.149.165.173.181.197.205.213.229.387.398", align 8, addrspace(5)
  14   br label %bb12.i.i
  15
  16 bb12.i.i:                                         ; preds = %start
  17   %0 = addrspacecast %"core::str::CharIndices.29.66.90.114.138.149.165.173.181.197.205.213.229.387.398" addrspace(5)* %_15.i.i to %"core::str::CharIndices.29.66.90.114.138.149.165.173.181.197.205.213.229.387.398"*
  18   %ptrint53.i.i = ptrtoint %"core::str::CharIndices.29.66.90.114.138.149.165.173.181.197.205.213.229.387.398"* %0 to i64
  19   %maskedptr54.i.i = and i64 %ptrint53.i.i, 7
  20   %maskcond55.i.i = icmp eq i64 %maskedptr54.i.i, 0
  21   call void @llvm.assume(i1 %maskcond55.i.i)
  22   br i1 undef, label %bb20.i.i, label %bb3.i.i.i.i.i.preheader.i.i
  23
  24 bb3.i.i.i.i.i.preheader.i.i:                      ; preds = %bb12.i.i
  25   %1 = getelementptr inbounds %"core::str::CharIndices.29.66.90.114.138.149.165.173.181.197.205.213.229.387.398", %"core::str::CharIndices.29.66.90.114.138.149.165.173.181.197.205.213.229.387.398"* %0, i64 0, i32 0, i64 0
  26   store i64 0, i64* %1, align 8
  27   unreachable
  28
  29 bb20.i.i:                                         ; preds = %bb12.i.i
  30   ret void
  31 }
  32
  33 declare void @llvm.assume(i1)