mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-25 14:30:32 +00:00
74786c0f43
the name used in the code that these tests are for. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64624 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
888 B
LLVM
26 lines
888 B
LLVM
; The induction variable canonicalization pass shouldn't leave dead
|
|
; instructions laying around!
|
|
;
|
|
; RUN: llvm-as < %s | opt -indvars | llvm-dis | \
|
|
; RUN: not grep {#uses=0}
|
|
|
|
define i32 @mul(i32 %x, i32 %y) {
|
|
entry:
|
|
br label %tailrecurse
|
|
|
|
tailrecurse: ; preds = %endif, %entry
|
|
%accumulator.tr = phi i32 [ %x, %entry ], [ %tmp.9, %endif ] ; <i32> [#uses=2]
|
|
%y.tr = phi i32 [ %y, %entry ], [ %tmp.8, %endif ] ; <i32> [#uses=2]
|
|
%tmp.1 = icmp eq i32 %y.tr, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp.1, label %return, label %endif
|
|
|
|
endif: ; preds = %tailrecurse
|
|
%tmp.8 = add i32 %y.tr, -1 ; <i32> [#uses=1]
|
|
%tmp.9 = add i32 %accumulator.tr, %x ; <i32> [#uses=1]
|
|
br label %tailrecurse
|
|
|
|
return: ; preds = %tailrecurse
|
|
ret i32 %accumulator.tr
|
|
}
|
|
|