1; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s 2target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" 3target triple = "powerpc64-unknown-linux-gnu" 4 5%struct.s = type { i32, i32 } 6 7declare void @bar(ptr, ptr) #0 8 9define void @goo(ptr byval(%struct.s) nocapture readonly %a, i32 signext %n) #0 { 10entry: 11 %0 = zext i32 %n to i64 12 %vla = alloca i32, i64 %0, align 128 13 %vla1 = alloca i32, i64 %0, align 128 14 %1 = load i32, ptr %a, align 4 15 store i32 %1, ptr %vla1, align 128 16 %b = getelementptr inbounds %struct.s, ptr %a, i64 0, i32 1 17 %2 = load i32, ptr %b, align 4 18 %arrayidx3 = getelementptr inbounds i32, ptr %vla1, i64 1 19 store i32 %2, ptr %arrayidx3, align 4 20 call void @bar(ptr %vla1, ptr %vla) #0 21 ret void 22 23; CHECK-LABEL: @goo 24 25; CHECK-DAG: li [[REG1:[0-9]+]], -128 26; CHECK-DAG: neg [[REG2:[0-9]+]], 27; CHECK: and [[REG3:[0-9]+]], [[REG2]], [[REG1]] 28; CHECK: stdux {{[0-9]+}}, 1, [[REG3]] 29 30; CHECK: blr 31 32} 33 34attributes #0 = { nounwind } 35