| ; RUN: llc -relocation-model=static -verify-machineinstrs < %s --enable-shrink-wrap=false -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s |
| %struct.S = type { i8 } |
| |
| @sg = internal thread_local global %struct.S zeroinitializer, align 1 |
| @__dso_handle = external global i8 |
| @__tls_guard = internal thread_local unnamed_addr global i1 false |
| @sum1 = internal thread_local global i32 0, align 4 |
| |
| declare void @_ZN1SC1Ev(%struct.S*) |
| declare void @_ZN1SD1Ev(%struct.S*) |
| declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*) |
| |
| ; CHECK-LABEL: _ZTW2sg |
| define cxx_fast_tlscc nonnull %struct.S* @_ZTW2sg() nounwind { |
| %.b.i = load i1, i1* @__tls_guard, align 1 |
| ; CHECK: bc 12, 1, [[BB_end:.?LBB0_[0-9]+]] |
| br i1 %.b.i, label %__tls_init.exit, label %init.i |
| |
| init.i: |
| ; CHECK: Folded Spill |
| store i1 true, i1* @__tls_guard, align 1 |
| tail call void @_ZN1SC1Ev(%struct.S* nonnull @sg) #2 |
| ; CHECK: bl _ZN1SC1Ev |
| %1 = tail call i32 @_tlv_atexit(void (i8*)* nonnull bitcast (void (%struct.S*)* @_ZN1SD1Ev to void (i8*)*), i8* nonnull getelementptr inbounds (%struct.S, %struct.S* @sg, i64 0, i32 0), i8* nonnull @__dso_handle) #2 |
| ; CHECK: Folded Reload |
| ; CHECK: _tlv_atexit |
| br label %__tls_init.exit |
| |
| ; CHECK: [[BB_end]]: |
| __tls_init.exit: |
| ret %struct.S* @sg |
| } |
| |
| ; CHECK-LABEL: _ZTW4sum1 |
| define cxx_fast_tlscc nonnull i32* @_ZTW4sum1() nounwind { |
| ret i32* @sum1 |
| } |
| |
| define cxx_fast_tlscc i32* @_ZTW4sum2() #0 { |
| ret i32* @sum1 |
| } |
| |
| attributes #0 = { nounwind "no-frame-pointer-elim"="true" } |
