llvm/test/CodeGen/PowerPC/ppc-vaarg-agg.ll

   1 ; RUN: llc -verify-machineinstrs < %s | FileCheck %s
   2 target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32"
   3 target triple = "powerpc-montavista-linux-gnuspe"
   4
   5 %struct.__va_list_tag.0.9.18.23.32.41.48.55.62.67.72.77.82.87.90.93.96.101.105 = type { i8, i8, i16, ptr, ptr }
   6
   7 define fastcc void @test1(ptr %args) {
   8 entry:
   9   br i1 undef, label %repeat, label %maxlen_reached
  10
  11 repeat:                                           ; preds = %entry
  12   switch i32 undef, label %sw.bb323 [
  13     i32 77, label %sw.bb72
  14     i32 111, label %sw.bb309
  15     i32 80, label %sw.bb313
  16     i32 117, label %sw.bb326
  17     i32 88, label %sw.bb321
  18   ]
  19
  20 sw.bb72:                                          ; preds = %repeat
  21   unreachable
  22
  23 sw.bb309:                                         ; preds = %repeat
  24   unreachable
  25
  26 sw.bb313:                                         ; preds = %repeat
  27   unreachable
  28
  29 sw.bb321:                                         ; preds = %repeat
  30   unreachable
  31
  32 sw.bb323:                                         ; preds = %repeat
  33   %0 = va_arg ptr %args, i32
  34   unreachable
  35
  36 sw.bb326:                                         ; preds = %repeat
  37   unreachable
  38
  39 maxlen_reached:                                   ; preds = %entry
  40   ret void
  41 }
  42
  43 ; If the SD nodes are not cleaup up correctly, then this can fail to compile
  44 ; with an error like:  Cannot select: ch = setlt [ID=6]
  45 ; CHECK: @test1
  46