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llvm-mirror/test/ExecutionEngine/OrcMCJIT/2005-12-02-TailCallBug.ll
Lang Hames 66e55d58ea [Orc][lli] Add a very simple Orc-based lazy JIT to lli.
This ensures that we're building and testing the CompileOnDemand layer, at least
in a basic way.

Currently x86-64 only, and with limited to no library calls enabled (depending
on host platform). Patches welcome. ;)

To enable access to the lazy JIT, this patch replaces the '-use-orcmcjit' lli
option with a new option:
'-jit-kind={ mcjit | orc-mcjit | orc-lazy }'.

All regression tests are updated to use the new option, and one trivial test of
the new lazy JIT is added.

llvm-svn: 233182
2015-03-25 12:11:48 +00:00

23 lines
708 B
LLVM

; PR672
; RUN: %lli -jit-kind=orc-mcjit %s
; XFAIL: mcjit-ia32
define i32 @main() {
%f = bitcast i32 (i32, i32*, i32)* @check_tail to i32* ; <i32*> [#uses=1]
%res = tail call fastcc i32 @check_tail( i32 10, i32* %f, i32 10 ) ; <i32> [#uses=1]
ret i32 %res
}
define fastcc i32 @check_tail(i32 %x, i32* %f, i32 %g) {
%tmp1 = icmp sgt i32 %x, 0 ; <i1> [#uses=1]
br i1 %tmp1, label %if-then, label %if-else
if-then: ; preds = %0
%fun_ptr = bitcast i32* %f to i32 (i32, i32*, i32)* ; <i32 (i32, i32*, i32)*> [#uses=1]
%arg1 = add i32 %x, -1 ; <i32> [#uses=1]
%res = tail call fastcc i32 %fun_ptr( i32 %arg1, i32* %f, i32 %g ) ; <i32> [#uses=1]
ret i32 %res
if-else: ; preds = %0
ret i32 %x
}