llvm-6502/test/Transforms/IndVarsSimplify/subtract.ll
2008-03-01 09:15:35 +00:00

16 lines
417 B
LLVM

; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar
@G = global i64 0 ; <i64*> [#uses=1]
define void @test(i64 %V) {
; <label>:0
br label %Loop
Loop: ; preds = %Loop, %0
%X = phi i64 [ 1, %0 ], [ %X.next, %Loop ] ; <i64> [#uses=2]
%X.next = sub i64 %X, %V ; <i64> [#uses=1]
store i64 %X, i64* @G
br label %Loop
}