llvm-6502/test/Transforms/IndVarSimplify/subtract.ll

16 lines
399 B
LLVM
Raw Normal View History

; RUN: opt < %s -indvars -S | 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
}