Mercurial > hg > Members > tobaru > cbc > CbC_llvm
diff test/CodeGen/AArch64/cxx-tlscc.ll @ 100:7d135dc70f03
LLVM 3.9
author | Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp> |
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date | Tue, 26 Jan 2016 22:53:40 +0900 |
parents | |
children | 1172e4bd9c6f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/AArch64/cxx-tlscc.ll Tue Jan 26 22:53:40 2016 +0900 @@ -0,0 +1,103 @@ +; RUN: llc < %s -mtriple=aarch64-apple-ios | FileCheck %s +; RUN: llc < %s -mtriple=aarch64-apple-ios -enable-shrink-wrap=true | FileCheck --check-prefix=CHECK %s +; Shrink wrapping currently does not kick in because we have a TLS CALL +; in the entry block and it will clobber the link register. + +%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 %struct.S* @_ZN1SC1Ev(%struct.S* returned) +declare %struct.S* @_ZN1SD1Ev(%struct.S* returned) +declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*) + +define cxx_fast_tlscc nonnull %struct.S* @_ZTW2sg() nounwind { + %.b.i = load i1, i1* @__tls_guard, align 1 + br i1 %.b.i, label %__tls_init.exit, label %init.i + +init.i: + store i1 true, i1* @__tls_guard, align 1 + %call.i.i = tail call %struct.S* @_ZN1SC1Ev(%struct.S* nonnull @sg) + %1 = tail call i32 @_tlv_atexit(void (i8*)* nonnull bitcast (%struct.S* (%struct.S*)* @_ZN1SD1Ev to void (i8*)*), i8* nonnull getelementptr inbounds (%struct.S, %struct.S* @sg, i64 0, i32 0), i8* nonnull @__dso_handle) + br label %__tls_init.exit + +__tls_init.exit: + ret %struct.S* @sg +} + +; CHECK-LABEL: _ZTW2sg +; CHECK-NOT: stp d31, d30 +; CHECK-NOT: stp d29, d28 +; CHECK-NOT: stp d27, d26 +; CHECK-NOT: stp d25, d24 +; CHECK-NOT: stp d23, d22 +; CHECK-NOT: stp d21, d20 +; CHECK-NOT: stp d19, d18 +; CHECK-NOT: stp d17, d16 +; CHECK-NOT: stp d7, d6 +; CHECK-NOT: stp d5, d4 +; CHECK-NOT: stp d3, d2 +; CHECK-NOT: stp d1, d0 +; CHECK-NOT: stp x20, x19 +; CHECK-NOT: stp x14, x13 +; CHECK-NOT: stp x12, x11 +; CHECK-NOT: stp x10, x9 +; CHECK-NOT: stp x8, x7 +; CHECK-NOT: stp x6, x5 +; CHECK-NOT: stp x4, x3 +; CHECK-NOT: stp x2, x1 +; CHECK: blr +; CHECK: tbnz w{{.*}}, #0, [[BB_end:.?LBB0_[0-9]+]] +; CHECK: blr +; CHECK: tlv_atexit +; CHECK: [[BB_end]]: +; CHECK: blr +; CHECK-NOT: ldp x2, x1 +; CHECK-NOT: ldp x4, x3 +; CHECK-NOT: ldp x6, x5 +; CHECK-NOT: ldp x8, x7 +; CHECK-NOT: ldp x10, x9 +; CHECK-NOT: ldp x12, x11 +; CHECK-NOT: ldp x14, x13 +; CHECK-NOT: ldp x20, x19 +; CHECK-NOT: ldp d1, d0 +; CHECK-NOT: ldp d3, d2 +; CHECK-NOT: ldp d5, d4 +; CHECK-NOT: ldp d7, d6 +; CHECK-NOT: ldp d17, d16 +; CHECK-NOT: ldp d19, d18 +; CHECK-NOT: ldp d21, d20 +; CHECK-NOT: ldp d23, d22 +; CHECK-NOT: ldp d25, d24 +; CHECK-NOT: ldp d27, d26 +; CHECK-NOT: ldp d29, d28 +; CHECK-NOT: ldp d31, d30 + +; CHECK-LABEL: _ZTW4sum1 +; CHECK-NOT: stp d31, d30 +; CHECK-NOT: stp d29, d28 +; CHECK-NOT: stp d27, d26 +; CHECK-NOT: stp d25, d24 +; CHECK-NOT: stp d23, d22 +; CHECK-NOT: stp d21, d20 +; CHECK-NOT: stp d19, d18 +; CHECK-NOT: stp d17, d16 +; CHECK-NOT: stp d7, d6 +; CHECK-NOT: stp d5, d4 +; CHECK-NOT: stp d3, d2 +; CHECK-NOT: stp d1, d0 +; CHECK-NOT: stp x20, x19 +; CHECK-NOT: stp x14, x13 +; CHECK-NOT: stp x12, x11 +; CHECK-NOT: stp x10, x9 +; CHECK-NOT: stp x8, x7 +; CHECK-NOT: stp x6, x5 +; CHECK-NOT: stp x4, x3 +; CHECK-NOT: stp x2, x1 +; CHECK: blr +define cxx_fast_tlscc nonnull i32* @_ZTW4sum1() nounwind { + ret i32* @sum1 +}