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Merge pull request #119678 from lukegb/llvm-wendy-12

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llvmPackages_12.llvm: fix building on older CPUs
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Michael Weiss 2021-04-17 14:46:31 +02:00 committed by GitHub
commit 841be0695c
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6
pkgs/development/compilers/llvm/12/llvm/default.nix
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@ -55,6 +55,12 @@ in stdenv.mkDerivation (rec {
propagatedBuildInputs = [ ncurses zlib ];
patches = [
# Force a test to evaluate the saved benchmark for a CPU for which LLVM has
# an execution model. See NixOS/nixpkgs#119673.
../../exegesis-force-bdver2.patch
];
postPatch = optionalString stdenv.isDarwin ''
substituteInPlace cmake/modules/AddLLVM.cmake \
--replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \

11
pkgs/development/compilers/llvm/exegesis-force-bdver2.patch Normal file
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@ -0,0 +1,11 @@
diff --git a/test/tools/llvm-exegesis/X86/uops-CMOV16rm-noreg.s b/test/tools/llvm-exegesis/X86/uops-CMOV16rm-noreg.s
index 3fc1f31d54dc..a4c9bdd92131 100644
--- a/test/tools/llvm-exegesis/X86/uops-CMOV16rm-noreg.s
+++ b/test/tools/llvm-exegesis/X86/uops-CMOV16rm-noreg.s
@@ -1,5 +1,6 @@
# RUN: llvm-exegesis -mode=uops -opcode-name=CMOV16rm -benchmarks-file=%t.CMOV16rm-uops.yaml
# RUN: FileCheck -check-prefixes=CHECK-YAML -input-file=%t.CMOV16rm-uops.yaml %s
+# RUN: sed -i 's,cpu_name:.*,cpu_name: bdver2,g' %t.CMOV16rm-uops.yaml
# RUN: llvm-exegesis -mcpu=bdver2 -mode=analysis -benchmarks-file=%t.CMOV16rm-uops.yaml -analysis-clusters-output-file=- -analysis-clustering-epsilon=0.1 -analysis-inconsistency-epsilon=0.1 -analysis-numpoints=1 -analysis-clustering=naive | FileCheck -check-prefixes=CHECK-CLUSTERS %s
# https://bugs.llvm.org/show_bug.cgi?id=41448