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Update to LLVM 18.1.8
This commit is contained in:
Jesus Checa Hidalgo
Tom Stellard
parent
dd8b35d6ee
commit
e093ecfc98
4 changed files with 11 additions and 188 deletions
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@ -1,74 +0,0 @@
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From 9d1f05a7b8537deb5f626cd1b7b26ef2678f4c8e Mon Sep 17 00:00:00 2001
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From: Arthur Eubanks <aeubanks@google.com>
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Date: Thu, 27 Jul 2023 13:27:58 -0700
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Subject: [PATCH] [PEI] Don't zero out noreg operands
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A tail call may have $noreg operands.
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Fixes a crash.
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Reviewed By: xgupta
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Differential Revision: https://reviews.llvm.org/D156485
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(cherry picked from commit f800c1f3b207e7bcdc8b4c7192928d9a078242a0)
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---
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llvm/lib/CodeGen/PrologEpilogInserter.cpp | 9 +++++++--
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llvm/test/CodeGen/X86/zero-call-used-regs.ll | 14 ++++++++++++++
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2 files changed, 21 insertions(+), 2 deletions(-)
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diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
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index e323aaaeefaf..49047719fdaa 100644
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--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
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+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
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@@ -1285,6 +1285,8 @@ void PEI::insertZeroCallUsedRegs(MachineFunction &MF) {
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continue;
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MCRegister Reg = MO.getReg();
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+ if (!Reg)
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+ continue;
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// This picks up sibling registers (e.q. %al -> %ah).
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for (MCRegUnit Unit : TRI.regunits(Reg))
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@@ -1308,8 +1310,11 @@ void PEI::insertZeroCallUsedRegs(MachineFunction &MF) {
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if (!MO.isReg())
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continue;
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- for (const MCPhysReg &Reg :
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- TRI.sub_and_superregs_inclusive(MO.getReg()))
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+ MCRegister Reg = MO.getReg();
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+ if (!Reg)
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+ continue;
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+
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+ for (const MCPhysReg Reg : TRI.sub_and_superregs_inclusive(Reg))
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RegsToZero.reset(Reg);
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}
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}
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diff --git a/llvm/test/CodeGen/X86/zero-call-used-regs.ll b/llvm/test/CodeGen/X86/zero-call-used-regs.ll
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index 63d51c916bb9..97ad5ce9c8cb 100644
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--- a/llvm/test/CodeGen/X86/zero-call-used-regs.ll
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+++ b/llvm/test/CodeGen/X86/zero-call-used-regs.ll
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@@ -241,6 +241,20 @@ entry:
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ret i32 %x
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}
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+define dso_local void @tailcall(ptr %p) local_unnamed_addr #0 "zero-call-used-regs"="used-gpr" {
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+; I386-LABEL: tailcall:
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+; I386: # %bb.0:
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+; I386-NEXT: movl {{[0-9]+}}(%esp), %eax
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+; I386-NEXT: jmpl *(%eax) # TAILCALL
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+;
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+; X86-64-LABEL: tailcall:
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+; X86-64: # %bb.0:
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+; X86-64-NEXT: jmpq *(%rdi) # TAILCALL
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+ %c = load ptr, ptr %p
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+ tail call void %c()
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+ ret void
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+}
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+
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; Don't emit zeroing registers in "main" function.
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define dso_local i32 @main() local_unnamed_addr #1 {
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; I386-LABEL: main:
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--
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2.43.0
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103
93442.patch
103
93442.patch
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@ -1,103 +0,0 @@
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From 97ab1917845fa9426ba913139fc8a007cba1d7ce Mon Sep 17 00:00:00 2001
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From: Nikita Popov <npopov@redhat.com>
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Date: Mon, 27 May 2024 08:54:11 +0200
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Subject: [PATCH] [PPCMergeStringPool] Only replace constant once (#92996)
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In #88846 I changed this code to use RAUW to perform the replacement
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instead of manual updates -- but kept the outer loop, which means we try
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to perform RAUW once per user. However, some of the users might be freed
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by the RAUW operation, resulting in use-after-free.
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The case where this happens is constant users where the replacement
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might result in the destruction of the original constant.
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Fixes https://github.com/llvm/llvm-project/issues/92991.
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(cherry picked from commit 9f85bc834b07ebfec9e5e02deb9255a0f6ec5cc7)
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---
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.../lib/Target/PowerPC/PPCMergeStringPool.cpp | 37 ++++---------------
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.../PowerPC/mergeable-string-pool-pr92991.ll | 20 ++++++++++
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2 files changed, 27 insertions(+), 30 deletions(-)
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create mode 100644 llvm/test/CodeGen/PowerPC/mergeable-string-pool-pr92991.ll
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diff --git a/llvm/lib/Target/PowerPC/PPCMergeStringPool.cpp b/llvm/lib/Target/PowerPC/PPCMergeStringPool.cpp
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index ebd876d50c44e..0830b02370cd0 100644
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--- a/llvm/lib/Target/PowerPC/PPCMergeStringPool.cpp
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+++ b/llvm/lib/Target/PowerPC/PPCMergeStringPool.cpp
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@@ -290,13 +290,6 @@ bool PPCMergeStringPool::mergeModuleStringPool(Module &M) {
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return true;
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}
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-static bool userHasOperand(User *TheUser, GlobalVariable *GVOperand) {
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- for (Value *Op : TheUser->operands())
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- if (Op == GVOperand)
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- return true;
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- return false;
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-}
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-
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// For pooled strings we need to add the offset into the pool for each string.
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// This is done by adding a Get Element Pointer (GEP) before each user. This
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// function adds the GEP.
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@@ -307,29 +300,13 @@ void PPCMergeStringPool::replaceUsesWithGEP(GlobalVariable *GlobalToReplace,
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Indices.push_back(ConstantInt::get(Type::getInt32Ty(*Context), 0));
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Indices.push_back(ConstantInt::get(Type::getInt32Ty(*Context), ElementIndex));
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- // Need to save a temporary copy of each user list because we remove uses
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- // as we replace them.
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- SmallVector<User *> Users;
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- for (User *CurrentUser : GlobalToReplace->users())
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- Users.push_back(CurrentUser);
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-
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- for (User *CurrentUser : Users) {
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- // The user was not found so it must have been replaced earlier.
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- if (!userHasOperand(CurrentUser, GlobalToReplace))
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- continue;
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-
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- // We cannot replace operands in globals so we ignore those.
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- if (isa<GlobalValue>(CurrentUser))
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- continue;
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-
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- Constant *ConstGEP = ConstantExpr::getInBoundsGetElementPtr(
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- PooledStructType, GPool, Indices);
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- LLVM_DEBUG(dbgs() << "Replacing this global:\n");
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- LLVM_DEBUG(GlobalToReplace->dump());
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- LLVM_DEBUG(dbgs() << "with this:\n");
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- LLVM_DEBUG(ConstGEP->dump());
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- GlobalToReplace->replaceAllUsesWith(ConstGEP);
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- }
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+ Constant *ConstGEP =
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+ ConstantExpr::getInBoundsGetElementPtr(PooledStructType, GPool, Indices);
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+ LLVM_DEBUG(dbgs() << "Replacing this global:\n");
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+ LLVM_DEBUG(GlobalToReplace->dump());
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+ LLVM_DEBUG(dbgs() << "with this:\n");
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+ LLVM_DEBUG(ConstGEP->dump());
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+ GlobalToReplace->replaceAllUsesWith(ConstGEP);
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}
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} // namespace
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diff --git a/llvm/test/CodeGen/PowerPC/mergeable-string-pool-pr92991.ll b/llvm/test/CodeGen/PowerPC/mergeable-string-pool-pr92991.ll
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new file mode 100644
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index 0000000000000..4e9c69e5fe4cf
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--- /dev/null
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+++ b/llvm/test/CodeGen/PowerPC/mergeable-string-pool-pr92991.ll
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@@ -0,0 +1,20 @@
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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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+; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
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+
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+@g = private constant [4 x i32] [i32 122, i32 67, i32 35, i32 56]
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+@g2 = private constant [1 x i64] [i64 1], align 8
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+
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+define void @test(ptr %p, ptr %p2) {
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+; CHECK-LABEL: test:
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+; CHECK: # %bb.0:
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+; CHECK-NEXT: addis 5, 2, .L__ModuleStringPool@toc@ha
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+; CHECK-NEXT: addi 5, 5, .L__ModuleStringPool@toc@l
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+; CHECK-NEXT: addi 6, 5, 12
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+; CHECK-NEXT: std 6, 0(3)
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+; CHECK-NEXT: addi 3, 5, 16
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+; CHECK-NEXT: std 3, 0(4)
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+; CHECK-NEXT: blr
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+ store ptr getelementptr inbounds ([4 x i32], ptr @g, i64 0, i64 1), ptr %p
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+ store ptr getelementptr inbounds ([4 x i32], ptr @g, i64 0, i64 2), ptr %p2
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+ ret void
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+}
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10
llvm.spec
10
llvm.spec
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@ -36,7 +36,7 @@
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%global maj_ver 18
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%global min_ver 1
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%global patch_ver 6
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%global patch_ver 8
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#global rc_ver 4
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%if %{with snapshot_build}
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@ -93,7 +93,7 @@
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Name: %{pkg_name}
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Version: %{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:~rc%{rc_ver}}%{?llvm_snapshot_version_suffix:~%{llvm_snapshot_version_suffix}}
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Release: 2%{?dist}
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Release: 1%{?dist}
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Summary: The Low Level Virtual Machine
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License: Apache-2.0 WITH LLVM-exception OR NCSA
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@ -113,9 +113,6 @@ Source5: https://github.com/llvm/llvm-project/releases/download/llvmorg-%{maj_ve
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Source6: release-keys.asc
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%endif
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# Backport of PPCMergeStringPool fix for rhbz#2283525.
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Patch1: 93442.patch
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# RHEL-specific patch to avoid unwanted python3-myst-parser dep
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Patch101: 0101-Deactivate-markdown-doc.patch
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@ -601,6 +598,9 @@ fi
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%changelog
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* Thu Jul 11 2024 Jesus Checa Hidalgo <jchecahi@redhat.com> - 18.1.8-1
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- Update to LLVM 18.1.8
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* Tue May 28 2024 Nikita Popov <npopov@redhat.com> - 18.1.6-2
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- Fix use after free on ppc64le (rhbz#2283525)
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12
sources
12
sources
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@ -1,6 +1,6 @@
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SHA512 (llvm-18.1.6.src.tar.xz) = 6b52d63a7c1a604d062ddb69838939fd2e51a31de7225bf4f2c11a6cf3574f96188ebee3020ecbeb77cd4592680571abad8f0a9584a23685bf662b7f085c0372
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SHA512 (llvm-18.1.6.src.tar.xz.sig) = a4c87fe68d17d085baa8ad7fd61a2e6b156bf31644904cd54c5527d8b069d09d5183a8e6f3e13157144c3d567fac9cb696f8a69fe6b10960638530772a9adc86
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SHA512 (cmake-18.1.6.src.tar.xz) = 1334647f4be280b41858aa272bebc65e935cab772001032f77040396ba7472fbd5eb6a1a0c042ab7156540075705b7f05c8de2f02e2ce9d7ec1ec27be6bef86f
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SHA512 (cmake-18.1.6.src.tar.xz.sig) = 27fe3ca9a25f5a20f7ca4e059cd4390d2e484c6a70b309a9e934a80fc732da9d8845064813a47c1258d00be38624aaa9024d5584305076abc2ad93f578b0a3d0
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SHA512 (third-party-18.1.6.src.tar.xz) = 4131a08951683972ab4897687b1dbc5cb0873c8d31fdc8fbaab92a2de52249e797b983329ef0d53fc681b531972d8d5550757af52314f0a3087d8009eb2f5c66
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SHA512 (third-party-18.1.6.src.tar.xz.sig) = 7c108a3bd67f9a058cbece2e413e7c6b944cc8ebcff323daad78a7fa7185d242f75b5750f7900d962d7516c63aae067809b4dbac4eda934dab3fcc9be4e53641
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SHA512 (cmake-18.1.8.src.tar.xz) = e02243b491f9e688db28d7b53270fcf87debf09d3c95b136a7c7b96e26890de68712c60a1e85f5a448a95ad8c81f2d8ae77047780822443bbe39f1a9e6211007
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SHA512 (cmake-18.1.8.src.tar.xz.sig) = 99191e95130fe4363a8db8f411a0e61af0549ad182a1280f99f0dd3ee679a321b993d103c6915d535a55d9f8a4d7fea86b7fdcc77605e02150e8edf1e18dee57
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SHA512 (llvm-18.1.8.src.tar.xz) = 930814730bb2d80cf7f7b2968f0f1f1442009ca62a7ca29992b69d63823270584b059d16aa845bb381411da566e7e4f255fcfbc38acbdf865eb0419b4dfd7459
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SHA512 (llvm-18.1.8.src.tar.xz.sig) = aab7cb61a6b5dd3776a9b306d91d08763710725b72ba6a4263d3cca5ae5959e3b073b27dbfd95f9a53a78600c6f414e2fd1cc0dbe3176d7cf142996f7af700ca
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SHA512 (third-party-18.1.8.src.tar.xz) = bedaa5d29ebeaf0ee1c700eb8492d0fef185e7c16528202927c81117d94fadd568829aa0e1873e1217e8e72866f3876a9681bbdb2a6a0a5466fc911f7b3620d4
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SHA512 (third-party-18.1.8.src.tar.xz.sig) = 32c4d779a56a3908b291a4f0cf1df72ccb86b55439ad66f9cbad1b48a77cb92b129b131806d2914d0e63cb319cde3181a2c03b75856ec36cee5f88120bb58214
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