1; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O2 -relocation-model=pic < %s | FileCheck %s 2; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O2 -relocation-model=pic < %s | grep "__tls_get_addr" | count 1 3 4; This test was derived from LLVM's own 5; PrettyStackTraceEntry::~PrettyStackTraceEntry(). It demonstrates an 6; opportunity for CSE of calls to __tls_get_addr(). 7 8target datalayout = "e-m:e-i64:64-n32:64" 9target triple = "powerpc64le-unknown-linux-gnu" 10 11%"class.llvm::PrettyStackTraceEntry" = type { ptr, ptr } 12 13@_ZTVN4llvm21PrettyStackTraceEntryE = unnamed_addr constant [5 x ptr] [ptr null, ptr null, ptr @_ZN4llvm21PrettyStackTraceEntryD2Ev, ptr @_ZN4llvm21PrettyStackTraceEntryD0Ev, ptr @__cxa_pure_virtual], align 8 14@_ZL20PrettyStackTraceHead = internal thread_local unnamed_addr global ptr null, align 8 15@.str = private unnamed_addr constant [87 x i8] c"PrettyStackTraceHead == this && \22Pretty stack trace entry destruction is out of order\22\00", align 1 16@.str1 = private unnamed_addr constant [64 x i8] c"/home/wschmidt/llvm/llvm-test2/lib/Support/PrettyStackTrace.cpp\00", align 1 17@__PRETTY_FUNCTION__._ZN4llvm21PrettyStackTraceEntryD2Ev = private unnamed_addr constant [62 x i8] c"virtual llvm::PrettyStackTraceEntry::~PrettyStackTraceEntry()\00", align 1 18 19declare void @_ZN4llvm21PrettyStackTraceEntryD2Ev(ptr %this) unnamed_addr 20declare void @__cxa_pure_virtual() 21declare void @__assert_fail(ptr, ptr, i32 zeroext, ptr) 22declare void @_ZdlPv(ptr) 23 24define void @_ZN4llvm21PrettyStackTraceEntryD0Ev(ptr %this) unnamed_addr align 2 { 25entry: 26 store ptr getelementptr inbounds ([5 x ptr], ptr @_ZTVN4llvm21PrettyStackTraceEntryE, i64 0, i64 2), ptr %this, align 8 27 %0 = load ptr, ptr @_ZL20PrettyStackTraceHead, align 8 28 %cmp.i = icmp eq ptr %0, %this 29 br i1 %cmp.i, label %_ZN4llvm21PrettyStackTraceEntryD2Ev.exit, label %cond.false.i 30 31cond.false.i: ; preds = %entry 32 tail call void @__assert_fail(ptr @.str, ptr @.str1, i32 zeroext 119, ptr @__PRETTY_FUNCTION__._ZN4llvm21PrettyStackTraceEntryD2Ev) 33 unreachable 34 35_ZN4llvm21PrettyStackTraceEntryD2Ev.exit: ; preds = %entry 36 %NextEntry.i.i = getelementptr inbounds %"class.llvm::PrettyStackTraceEntry", ptr %this, i64 0, i32 1 37 %1 = load i64, ptr %NextEntry.i.i, align 8 38 store i64 %1, ptr @_ZL20PrettyStackTraceHead, align 8 39 tail call void @_ZdlPv(ptr %this) 40 ret void 41} 42 43; CHECK-LABEL: _ZN4llvm21PrettyStackTraceEntryD0Ev: 44; CHECK: addis [[REG1:[0-9]+]], 2, _ZL20PrettyStackTraceHead@got@tlsld@ha 45; CHECK: addi 3, [[REG1]], _ZL20PrettyStackTraceHead@got@tlsld@l 46; CHECK: bl __tls_get_addr(_ZL20PrettyStackTraceHead@tlsld) 47; CHECK: addis [[REG2:[0-9]+]], 3, _ZL20PrettyStackTraceHead@dtprel@ha 48; CHECK: ld {{[0-9]+}}, _ZL20PrettyStackTraceHead@dtprel@l([[REG2]]) 49; CHECK: std {{[0-9]+}}, _ZL20PrettyStackTraceHead@dtprel@l([[REG2]]) 50