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mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-27 13:30:05 +00:00
llvm-6502/test/ExecutionEngine/2005-12-02-TailCallBug.ll
Jim Grosbach 7ece6027a9 XFAIL for now. If someone with access to an ARM/Linux host wants to have a look
that would be great. They're ARM JIT failures, so without that, it's tough.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120731 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-02 20:20:32 +00:00

23 lines
680 B
LLVM

; PR672
; RUN: lli %s
; XFAIL: arm
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
}