forked from OSchip/llvm-project
53 lines
3.7 KiB
LLVM
53 lines
3.7 KiB
LLVM
; RUN: llc -march=ppc64 -mcpu=pwr7 -O2 -relocation-model=pic < %s | FileCheck %s
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; RUN: llc -march=ppc64 -mcpu=pwr7 -O2 -relocation-model=pic < %s | grep "__tls_get_addr" | count 1
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; This test was derived from LLVM's own
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; PrettyStackTraceEntry::~PrettyStackTraceEntry(). It demonstrates an
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; opportunity for CSE of calls to __tls_get_addr().
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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%"class.llvm::PrettyStackTraceEntry" = type { i32 (...)**, %"class.llvm::PrettyStackTraceEntry"* }
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@_ZTVN4llvm21PrettyStackTraceEntryE = unnamed_addr constant [5 x i8*] [i8* null, i8* null, i8* bitcast (void (%"class.llvm::PrettyStackTraceEntry"*)* @_ZN4llvm21PrettyStackTraceEntryD2Ev to i8*), i8* bitcast (void (%"class.llvm::PrettyStackTraceEntry"*)* @_ZN4llvm21PrettyStackTraceEntryD0Ev to i8*), i8* bitcast (void ()* @__cxa_pure_virtual to i8*)], align 8
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@_ZL20PrettyStackTraceHead = internal thread_local unnamed_addr global %"class.llvm::PrettyStackTraceEntry"* null, align 8
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@.str = private unnamed_addr constant [87 x i8] c"PrettyStackTraceHead == this && \22Pretty stack trace entry destruction is out of order\22\00", align 1
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@.str1 = private unnamed_addr constant [64 x i8] c"/home/wschmidt/llvm/llvm-test2/lib/Support/PrettyStackTrace.cpp\00", align 1
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@__PRETTY_FUNCTION__._ZN4llvm21PrettyStackTraceEntryD2Ev = private unnamed_addr constant [62 x i8] c"virtual llvm::PrettyStackTraceEntry::~PrettyStackTraceEntry()\00", align 1
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declare void @_ZN4llvm21PrettyStackTraceEntryD2Ev(%"class.llvm::PrettyStackTraceEntry"* %this) unnamed_addr
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declare void @__cxa_pure_virtual()
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declare void @__assert_fail(i8*, i8*, i32 zeroext, i8*)
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declare void @_ZdlPv(i8*)
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define void @_ZN4llvm21PrettyStackTraceEntryD0Ev(%"class.llvm::PrettyStackTraceEntry"* %this) unnamed_addr align 2 {
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entry:
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%0 = getelementptr inbounds %"class.llvm::PrettyStackTraceEntry", %"class.llvm::PrettyStackTraceEntry"* %this, i64 0, i32 0
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store i32 (...)** bitcast (i8** getelementptr inbounds ([5 x i8*], [5 x i8*]* @_ZTVN4llvm21PrettyStackTraceEntryE, i64 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 8
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%1 = load %"class.llvm::PrettyStackTraceEntry"*, %"class.llvm::PrettyStackTraceEntry"** @_ZL20PrettyStackTraceHead, align 8
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%cmp.i = icmp eq %"class.llvm::PrettyStackTraceEntry"* %1, %this
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br i1 %cmp.i, label %_ZN4llvm21PrettyStackTraceEntryD2Ev.exit, label %cond.false.i
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cond.false.i: ; preds = %entry
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tail call void @__assert_fail(i8* getelementptr inbounds ([87 x i8], [87 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str1, i64 0, i64 0), i32 zeroext 119, i8* getelementptr inbounds ([62 x i8], [62 x i8]* @__PRETTY_FUNCTION__._ZN4llvm21PrettyStackTraceEntryD2Ev, i64 0, i64 0))
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unreachable
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_ZN4llvm21PrettyStackTraceEntryD2Ev.exit: ; preds = %entry
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%NextEntry.i.i = getelementptr inbounds %"class.llvm::PrettyStackTraceEntry", %"class.llvm::PrettyStackTraceEntry"* %this, i64 0, i32 1
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%2 = bitcast %"class.llvm::PrettyStackTraceEntry"** %NextEntry.i.i to i64*
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%3 = load i64, i64* %2, align 8
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store i64 %3, i64* bitcast (%"class.llvm::PrettyStackTraceEntry"** @_ZL20PrettyStackTraceHead to i64*), align 8
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%4 = bitcast %"class.llvm::PrettyStackTraceEntry"* %this to i8*
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tail call void @_ZdlPv(i8* %4)
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ret void
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}
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; CHECK-LABEL: _ZN4llvm21PrettyStackTraceEntryD0Ev:
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; CHECK: addis [[REG1:[0-9]+]], 2, _ZL20PrettyStackTraceHead@got@tlsld@ha
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; CHECK: addi 3, [[REG1]], _ZL20PrettyStackTraceHead@got@tlsld@l
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; CHECK: bl __tls_get_addr(_ZL20PrettyStackTraceHead@tlsld)
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; CHECK: addis 3, 3, _ZL20PrettyStackTraceHead@dtprel@ha
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; CHECK: ld {{[0-9]+}}, _ZL20PrettyStackTraceHead@dtprel@l(3)
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; CHECK: std {{[0-9]+}}, _ZL20PrettyStackTraceHead@dtprel@l(3)
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