llvm-6502/fast-isel-trunc.ll at 0da9975299aa68b34464cea4344102466743c28f - llvm-6502 - Applefritter: Git

6502/llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-11-14 13:07:31 +00:00

Dan Gohman 474d3b3f40 Improve FastISel's handling of truncates to i1, and implement

ptrtoint and inttoptr in X86FastISel. These casts aren't always
handled in the generic FastISel code because X86 sometimes needs
custom code to do truncation and zero-extension.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66988 91177308-0d34-0410-b5e6-96231b3b80d8

2009-03-13 23:53:06 +00:00

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 ; RUN: llvm-as < %s | llc -march=x86 -fast-isel -fast-isel-abort
 ; RUN: llvm-as < %s | llc -march=x86-64 -fast-isel -fast-isel-abort
 define i8 @t1(i32 %x) signext nounwind  {
 	%tmp1 = trunc i32 %x to i8
 	ret i8 %tmp1
 }
 define i8 @t2(i16 signext %x) signext nounwind  {
 	%tmp1 = trunc i16 %x to i8
 	ret i8 %tmp1
 }