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1; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s2 3; CHECK-LABEL: @test_stack_guard4; CHECK: ear [[REG1:%r[1-9][0-9]?]], %a05; CHECK: sllg [[REG1]], [[REG1]], 326; CHECK: ear [[REG1]], %a17; CHECK: lg [[REG1]], 40([[REG1]])8; CHECK: stg [[REG1]], {{[0-9]*}}(%r15)9; CHECK: brasl %r14, foo3@PLT10; CHECK: ear [[REG2:%r[1-9][0-9]?]], %a011; CHECK: sllg [[REG2]], [[REG2]], 3212; CHECK: ear [[REG2]], %a113; CHECK: lg [[REG2]], 40([[REG2]])14; CHECK: cg [[REG2]], {{[0-9]*}}(%r15)15 16define i32 @test_stack_guard() #0 {17entry:18 %a1 = alloca [256 x i32], align 419 call void @llvm.lifetime.start.p0(i64 1024, ptr %a1)20 call void @foo3(ptr %a1)21 call void @llvm.lifetime.end.p0(i64 1024, ptr %a1)22 ret i32 023}24 25; Function Attrs: nounwind26declare void @llvm.lifetime.start.p0(i64, ptr nocapture)27 28declare void @foo3(ptr)29 30; Function Attrs: nounwind31declare void @llvm.lifetime.end.p0(i64, ptr nocapture)32 33attributes #0 = { sspstrong }34