[PATCH] D118377: [LLVM][AIX] Prefer a 32-bit default target triple on AIX

[David Tenty via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG5cf9b2e341be: [LLVM][AIX] Prefer a 32-bit default target triple on AIX (authored by daltenty).

Changed prior to commit:
  https://reviews.llvm.org/D118377?vs=403888&id=403891#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118377/new/

https://reviews.llvm.org/D118377

Files:
  llvm/CMakeLists.txt


Index: llvm/CMakeLists.txt
===================================================================
--- llvm/CMakeLists.txt
+++ llvm/CMakeLists.txt
@@ -727,8 +727,15 @@
 include(config-ix)
 
 # By default, we target the host, but this can be overridden at CMake
-# invocation time.
-set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
+# invocation time. Except on 64-bit AIX, where the system toolchain
+# expect 32-bit objects by default.
+if("${LLVM_HOST_TRIPLE}" MATCHES "^powerpc64-ibm-aix")
+  string(REGEX REPLACE "^powerpc64" "powerpc" LLVM_DEFAULT_TARGET_TRIPLE_default "${LLVM_HOST_TRIPLE}")
+else()
+  set(LLVM_DEFAULT_TARGET_TRIPLE_default "${LLVM_HOST_TRIPLE}")
+endif()
+
+set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE_default}" CACHE STRING
   "Default target for which LLVM will generate code." )
 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
 message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")


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