diff options
Diffstat (limited to 'community/llvm3.9/rust-lang-llvm-pr57.patch')
| -rw-r--r-- | community/llvm3.9/rust-lang-llvm-pr57.patch | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/community/llvm3.9/rust-lang-llvm-pr57.patch b/community/llvm3.9/rust-lang-llvm-pr57.patch deleted file mode 100644 index eda4d9a41f..0000000000 --- a/community/llvm3.9/rust-lang-llvm-pr57.patch +++ /dev/null @@ -1,118 +0,0 @@ -From 5ac4f80be3e8b5d42475aeaba246455e0016c7ef Mon Sep 17 00:00:00 2001 -From: Anthony Ramine <n.oxyde@gmail.com> -Date: Sun, 27 Nov 2016 16:28:12 +0100 -Subject: [rust-lang/llvm#57] Backport rL277331 - ---- - lib/Target/AArch64/AArch64InstrInfo.cpp | 3 + - .../MIR/AArch64/inst-size-tlsdesc-callseq.mir | 84 ++++++++++++++++++++++ - 2 files changed, 87 insertions(+) - create mode 100644 test/CodeGen/MIR/AArch64/inst-size-tlsdesc-callseq.mir - -diff --git a/lib/Target/AArch64/AArch64InstrInfo.cpp b/lib/Target/AArch64/AArch64InstrInfo.cpp -index 0aa4708f35ac..d39542a8e4eb 100644 ---- a/lib/Target/AArch64/AArch64InstrInfo.cpp -+++ b/lib/Target/AArch64/AArch64InstrInfo.cpp -@@ -56,6 +56,9 @@ unsigned AArch64InstrInfo::GetInstSizeInBytes(const MachineInstr &MI) const { - case TargetOpcode::IMPLICIT_DEF: - case TargetOpcode::KILL: - return 0; -+ case AArch64::TLSDESC_CALLSEQ: -+ // This gets lowered to an instruction sequence which takes 16 bytes -+ return 16; - } - - llvm_unreachable("GetInstSizeInBytes()- Unable to determin insn size"); -diff --git a/test/CodeGen/MIR/AArch64/inst-size-tlsdesc-callseq.mir b/test/CodeGen/MIR/AArch64/inst-size-tlsdesc-callseq.mir -new file mode 100644 -index 000000000000..2d966ece768e ---- /dev/null -+++ b/test/CodeGen/MIR/AArch64/inst-size-tlsdesc-callseq.mir -@@ -0,0 +1,84 @@ -+# RUN: llc -mtriple=aarch64-unknown -run-pass aarch64-branch-relax -aarch64-tbz-offset-bits=4 %s -o - | FileCheck %s -+--- | -+ ; ModuleID = 'test.ll' -+ source_filename = "test.ll" -+ target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" -+ target triple = "aarch64-unknown" -+ -+ @ThreadLocalGlobal = external thread_local local_unnamed_addr global i32, align 8 -+ -+ define i32 @test_tlsdesc_callseq_length(i32 %in) { -+ %val = and i32 %in, 1 -+ %tst = icmp eq i32 %val, 0 -+ br i1 %tst, label %true, label %false -+ -+ true: ; preds = %0 -+ %1 = load i32, i32* @ThreadLocalGlobal, align 8 -+ ret i32 %1 -+ -+ false: ; preds = %0 -+ ret i32 0 -+ } -+ -+... -+--- -+# CHECK-LABEL: name:{{.*}}test_tlsdesc_callseq_length -+# If the size of TLSDESC_CALLSEQ is computed correctly, that will push -+# the bb.2.false block too far away from the TBNZW, so the branch will -+# have to be relaxed (note that we're using -aarch64-tbz-offset-bits to -+# constrain the range that can be reached with the TBNZW to something smaller -+# than what TLSDESC_CALLSEQ is lowered to). -+# CHECK: TBZW killed %w0, 0, %bb.1.true -+# CHECK: B %bb.2.false -+name: test_tlsdesc_callseq_length -+alignment: 2 -+exposesReturnsTwice: false -+hasInlineAsm: false -+allVRegsAllocated: true -+isSSA: false -+tracksRegLiveness: false -+tracksSubRegLiveness: false -+liveins: -+ - { reg: '%w0' } -+frameInfo: -+ isFrameAddressTaken: false -+ isReturnAddressTaken: false -+ hasStackMap: false -+ hasPatchPoint: false -+ stackSize: 16 -+ offsetAdjustment: 0 -+ maxAlignment: 16 -+ adjustsStack: false -+ hasCalls: true -+ maxCallFrameSize: 0 -+ hasOpaqueSPAdjustment: false -+ hasVAStart: false -+ hasMustTailInVarArgFunc: false -+stack: -+ - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '%lr' } -+body: | -+ bb.0 (%ir-block.0): -+ successors: %bb.1.true, %bb.2.false -+ liveins: %w0, %lr -+ -+ TBNZW killed %w0, 0, %bb.2.false -+ -+ bb.1.true: -+ liveins: %lr -+ -+ early-clobber %sp = frame-setup STRXpre killed %lr, %sp, -16 :: (store 8 into %stack.0) -+ frame-setup CFI_INSTRUCTION def_cfa_offset 16 -+ frame-setup CFI_INSTRUCTION offset %w30, -16 -+ TLSDESC_CALLSEQ target-flags(aarch64-tls) @ThreadLocalGlobal, implicit-def dead %lr, implicit-def %x0, implicit-def dead %x1 -+ %x8 = MRS 56962 -+ %w0 = LDRWroX killed %x8, killed %x0, 0, 0 :: (load 4 from @ThreadLocalGlobal, align 8) -+ early-clobber %sp, %lr = LDRXpost %sp, 16 :: (load 8 from %stack.0) -+ RET killed %lr, implicit killed %w0 -+ -+ bb.2.false: -+ liveins: %lr -+ -+ %w0 = ORRWrs %wzr, %wzr, 0 -+ RET killed %lr, implicit killed %w0 -+ -+... --- -2.9.3 - |