llvm/fast-isel-crash2.ll at 846a14340c4c699d55b42e73e2336490c9255f11 - llvm - Gitea: Git with a cup of tea

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Tim Northover 0aba46f4cd ARM MachO: sort out isTargetDarwin/isTargetIOS/... checks.

The ARM backend has been using most of the MachO related subtarget
checks almost interchangeably, and since the only target it's had to
run on has been IOS (which is all three of MachO, Darwin and IOS) it's
worked out OK so far.

But we'd like to support embedded targets under the "*-*-none-macho"
triple, which means everything starts falling apart and inconsistent
behaviours emerge.

This patch should pick a reasonably sensible set of behaviours for the
new triple (and any others that come along, with luck). Some choices
were debatable (notably FP == r7 or r11), but we can revisit those
later when deficiencies become apparent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198617 91177308-0d34-0410-b5e6-96231b3b80d8

2014-01-06 14:28:05 +00:00

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 ; RUN: llc < %s -O0 -verify-machineinstrs -mtriple=thumbv7-apple-darwin
 ; RUN: llc < %s -O0 -verify-machineinstrs -mtriple=armv7-linux-gnueabi
 ; rdar://9515076
 ; (Make sure this doesn't crash.)
 define i32 @test(i32 %i) {
   %t = trunc i32 %i to i4
   %r = sext i4 %t to i32
   ret i32 %r
 }