diff options
Diffstat (limited to 'test/CodeGen/ARM/cxx-tlscc.ll')
| -rw-r--r-- | test/CodeGen/ARM/cxx-tlscc.ll | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/test/CodeGen/ARM/cxx-tlscc.ll b/test/CodeGen/ARM/cxx-tlscc.ll deleted file mode 100644 index 6a5aa12ac5a6..000000000000 --- a/test/CodeGen/ARM/cxx-tlscc.ll +++ /dev/null @@ -1,152 +0,0 @@ -; RUN: llc < %s -mtriple=armv7k-apple-watchos2.0 | FileCheck %s -; RUN: llc < %s -mtriple=armv7k-apple-watchos2.0 -enable-shrink-wrap=true | FileCheck %s -; RUN: llc < %s -mtriple=armv7-apple-ios8.0 | FileCheck %s -; RUN: llc < %s -mtriple=armv7-apple-ios8.0 -enable-shrink-wrap=true | FileCheck %s - -; RUN: llc < %s -mtriple=armv7k-apple-watchos2.0 -O0 | FileCheck --check-prefix=CHECK-O0 --check-prefix=WATCH-O0 %s -; RUN: llc < %s -mtriple=armv7-apple-ios8.0 -O0 | FileCheck --check-prefix=CHECK-O0 --check-prefix=IOS-O0 %s - -; RUN: llc < %s -mtriple=thumbv7-apple-ios8.0 | FileCheck --check-prefix=THUMB %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 - -%class.C = type { i32 } -@tC = internal thread_local global %class.C zeroinitializer, align 4 - -declare %struct.S* @_ZN1SC1Ev(%struct.S* returned) -declare %struct.S* @_ZN1SD1Ev(%struct.S* returned) -declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*) - -; Make sure Epilog does not overwrite an explicitly-handled CSR in CXX_FAST_TLS. -; THUMB-LABEL: _ZTW2sg -; THUMB: push {{.*}}lr -; THUMB: blx -; THUMB: bne [[TH_end:.?LBB0_[0-9]+]] -; THUMB: blx -; THUMB: tlv_atexit -; THUMB: [[TH_end]]: -; THUMB: blx -; THUMB: r4 -; THUMB: pop {{.*}}r4 -define cxx_fast_tlscc nonnull %struct.S* @_ZTW2sg() nounwind "no-frame-pointer-elim"="true" { - %.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: push {r4, r5, r7, lr} -; CHECK: push {r11, 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 -; CHECK: bne [[BB_end:.?LBB0_[0-9]+]] -; CHECK: blx -; CHECK: tlv_atexit -; CHECK: [[BB_end]]: -; CHECK: blx -; CHECK-NOT: vpop {d0, d1, d2, d3, d4, d5, d6, d7} -; CHECK-NOT: vpop {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31} -; CHECK-NOT: pop {r9, r12} -; CHECK-NOT: pop {r1, r2, r3, r4, r7, pc} -; CHECK: pop {r4, r5, r7, pc} - -; CHECK-O0-LABEL: _ZTW2sg -; WATCH-O0: push {r1, r2, r3, r6, r7, lr} -; IOS-O0: push {r1, r2, r3, r7, lr} -; CHECK-O0: push {r9, r12} -; CHECK-O0: vpush {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31} -; CHECK-O0: vpush {d0, d1, d2, d3, d4, d5, d6, d7} -; CHECK-O0: blx -; CHECK-O0: bne [[BB_end:.?LBB0_[0-9]+]] -; CHECK-O0: blx -; CHECK-O0: tlv_atexit -; CHECK-O0: [[BB_end]]: -; CHECK-O0: blx -; CHECK-O0: vpop {d0, d1, d2, d3, d4, d5, d6, d7} -; CHECK-O0: vpop {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31} -; CHECK-O0: pop {r9, r12} -; WATCH-O0: pop {r1, r2, r3, r6, r7, pc} -; IOS-O0: pop {r1, r2, r3, r7, pc} - -; 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 - -; CHECK-O0-LABEL: _ZTW4sum1 -; CHECK-O0-NOT: vpush -; CHECK-O0-NOT: vstr -; CHECK-O0-NOT: vpop -; CHECK-O0-NOT: vldr -; CHECK-O0: pop -define cxx_fast_tlscc nonnull i32* @_ZTW4sum1() nounwind "no-frame-pointer-elim"="true" { - ret i32* @sum1 -} - -; Make sure at O0, we don't generate spilling/reloading of the CSRs. -; CHECK-O0-LABEL: tls_test2 -; CHECK-O0: push -; CHECK-O0-NOT: vpush -; CHECK-O0-NOT: vstr -; CHECK-O0: tls_helper -; CHECK-O0-NOT: vpop -; CHECK-O0-NOT: vldr -; CHECK-O0: pop -declare cxx_fast_tlscc void @tls_helper() -define cxx_fast_tlscc %class.C* @tls_test2() #1 "no-frame-pointer-elim"="true" { - call cxx_fast_tlscc void @tls_helper() - ret %class.C* @tC -} - -; Make sure we do not allow tail call when caller and callee have different -; calling conventions. -declare %class.C* @_ZN1CD1Ev(%class.C* readnone returned %this) -; CHECK-LABEL: tls_test -; CHECK: bl __tlv_atexit -define cxx_fast_tlscc void @__tls_test() "no-frame-pointer-elim"="true" { -entry: - store i32 0, i32* getelementptr inbounds (%class.C, %class.C* @tC, i64 0, i32 0), align 4 - %0 = tail call i32 @_tlv_atexit(void (i8*)* bitcast (%class.C* (%class.C*)* @_ZN1CD1Ev to void (i8*)*), i8* bitcast (%class.C* @tC to i8*), i8* nonnull @__dso_handle) #1 - ret void -} - -declare void @somefunc() -define cxx_fast_tlscc void @test_ccmismatch_notail() "no-frame-pointer-elim"="true" { -; A tail call is not possible here because somefunc does not preserve enough -; registers. -; CHECK-LABEL: test_ccmismatch_notail: -; CHECK-NOT: b _somefunc -; CHECK: bl _somefunc - tail call void @somefunc() - ret void -} - -declare cxx_fast_tlscc void @some_fast_tls_func() -define void @test_ccmismatch_tail() "no-frame-pointer-elim"="true" { -; We can perform a tail call here because some_fast_tls_func preserves all -; necessary registers (and more). -; CHECK-LABEL: test_ccmismatch_tail: -; CHECK-NOT: bl _some_fast_tls_func -; CHECK: b _some_fast_tls_func - tail call cxx_fast_tlscc void @some_fast_tls_func() - ret void -} - -attributes #0 = { nounwind "no-frame-pointer-elim"="true" } -attributes #1 = { nounwind } |