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| author | Manman Ren <manman.ren@gmail.com> | 2016-01-15 20:24:11 +0000 |
|---|---|---|
| committer | Manman Ren <manman.ren@gmail.com> | 2016-01-15 20:24:11 +0000 |
| commit | e5f807f92860d4fea483d42b6f2c6273b456a778 (patch) | |
| tree | 35aa6cbd4bf78980a9ba817e65c70a74c1461bff /llvm/test/CodeGen/ARM | |
| parent | 4632e8e62574f87f5c470328027d3afacff6390e (diff) | |
| download | bcm5719-llvm-e5f807f92860d4fea483d42b6f2c6273b456a778.tar.gz bcm5719-llvm-e5f807f92860d4fea483d42b6f2c6273b456a778.zip | |
CXX_FAST_TLS calling convention: fix issue on ARM.
When we have a single basic block, the explicit copy-back instructions should
be inserted right before the terminator. Before this fix, they were wrongly
placed at the beginning of the basic block.
PR26136
llvm-svn: 257930
Diffstat (limited to 'llvm/test/CodeGen/ARM')
| -rw-r--r-- | llvm/test/CodeGen/ARM/cxx-tlscc.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/cxx-tlscc.ll b/llvm/test/CodeGen/ARM/cxx-tlscc.ll index 7b776d4b8e8..11173bbb197 100644 --- a/llvm/test/CodeGen/ARM/cxx-tlscc.ll +++ b/llvm/test/CodeGen/ARM/cxx-tlscc.ll @@ -8,6 +8,7 @@ @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) @@ -44,3 +45,13 @@ __tls_init.exit: ; CHECK-NOT: pop {r9, r12} ; CHECK-NOT: pop {r1, r2, r3, r4, r7, pc} ; CHECK: pop {lr} + +; CHECK-LABEL: _ZTW4sum1 +; CHECK-NOT: push {r1, r2, r3, r4, r7, lr} +; CHECK-NOT: push {r9, r12} +; CHECK-NOT: vpush {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31} +; CHECK-NOT: vpush {d0, d1, d2, d3, d4, d5, d6, d7} +; CHECK: blx +define cxx_fast_tlscc nonnull i32* @_ZTW4sum1() nounwind { + ret i32* @sum1 +} |
