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      1 ; RUN: llc -verify-machineinstrs -mcpu=ppc64 < %s | FileCheck %s
      2 target datalayout = "E-m:o-p:32:32-f64:32:64-n32"
      3 target triple = "powerpc-apple-macosx10.5.0"
      4  
      5 %struct.sm = type { i8, i8 }
      6  
      7 ; Function Attrs: nounwind ssp
      8 define void @foo(%struct.sm* byval %s) #0 {
      9 entry:
     10   %a = getelementptr inbounds %struct.sm, %struct.sm* %s, i32 0, i32 0
     11   %0 = load i8, i8* %a, align 1
     12   %conv2 = zext i8 %0 to i32
     13   %add = add nuw nsw i32 %conv2, 3
     14   %conv1 = trunc i32 %add to i8
     15   store i8 %conv1, i8* %a, align 1
     16   call void @bar(%struct.sm* byval %s, %struct.sm* byval %s) #1
     17   ret void
     18 }
     19 
     20 ; CHECK-LABEL: @foo
     21 ; CHECK: stb {{r[0-9]+}}, [[OFF:[0-9]+]]({{r[3]?1}})
     22 ; CHECK: lhz r3, [[OFF]]({{r[3]?1}})
     23 ; CHECK: bl _bar
     24 ; CHECK: blr
     25  
     26 declare void @bar(%struct.sm* byval, %struct.sm* byval)
     27  
     28 attributes #0 = { nounwind ssp }
     29 attributes #1 = { nounwind }
     30  
     31