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...t’ll print the instruction it failed to legalize. Sent from my iPhone > On Oct 11, 2017, at 6:44 PM, S. Bharadwaj Yadavalli via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Thanks for your quick reply. > > Here its is: > > =========== > > ; ModuleID = 'simple_foo.c' > source_filename = "simple_foo.c" > target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" > target triple = "x86_64-apple-macosx10.13.0" > > ; Function Attrs: noinline nounwind optnone ssp uwtable > define i32 @foo(i32 %a, i32 %b, i32 %...

Thanks for your quick reply. Here its is: =========== ; ModuleID = 'simple_foo.c' source_filename = "simple_foo.c" target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.13.0" ; Function Attrs: noinline nounwind optnone ssp uwtable define i32 @foo(i32 %a, i32 %b, i32 %c) #0 { entry: %retval = all...

Hi , Currently GobalIsel like FastIsel designed to use fallback to DAGIsel in case of failure. You can use -global-isel-abort=2 option. llc -global-isel -pass-remarks-missed="gisel-*" -global-isel-abort=2 simple_foo.ll Regards, Igor From: S. Bharadwaj Yadavalli [mailto:bharadwajy at gmail.com] Sent: Thursday, November 09, 2017 03:36 To: Aditya Nandakumar <proaditya at gmail.com> Cc: Craig Topper <craig.topper at gmail.com>; llvm-dev <llvm-dev at lists.llvm.org>; Breger, Igor <igor.breger...

...e functional for x86/x86-64 targets? $ uname -a Darwin <Machine-Name> 17.0.0 Darwin Kernel Version 17.0.0: Thu Aug 24 21:48:19 PDT 2017; root:xnu-4570.1.46~2/RELEASE_X86_64 x86_64 Following is the command I used that resulted in an error : ~/github/build/llvm/Debug/bin/llc -global-isel -O0 simple_foo.ll LLVM ERROR: unable to legalize instruction (in function: foo) llc without the -global-isel option works fine. I built clang/llc using the sources with the following tips: LLVM 761e543ac73 (HEAD -> master, origin/master, origin/HEAD) [Transforms] Fix some Clang-tidy modernize and Include W...