| ; RUN: llvm-as < %s | opt -analyze -scalar-evolution -disable-output > %t |
| ; RUN: grep {sext i57 \{0,+,199\}<bb> to i64} %t | count 1 |
| ; RUN: grep {sext i59 \{0,+,199\}<bb> to i64} %t | count 1 |
| |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| target triple = "i386-apple-darwin9.6" |
| |
| define i64 @foo(i64* nocapture %x, i64 %n) nounwind { |
| entry: |
| %t0 = icmp sgt i64 %n, 0 ; <i1> [#uses=1] |
| br i1 %t0, label %bb, label %return |
| |
| bb: ; preds = %bb, %entry |
| %i.01 = phi i64 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2] |
| %t1 = shl i64 %i.01, 7 ; <i32> [#uses=1] |
| %t2 = ashr i64 %t1, 7 ; <i32> [#uses=1] |
| %s1 = shl i64 %i.01, 5 ; <i32> [#uses=1] |
| %s2 = ashr i64 %s1, 5 ; <i32> [#uses=1] |
| %t3 = getelementptr i64* %x, i64 %i.01 ; <i64*> [#uses=1] |
| store i64 0, i64* %t3, align 1 |
| %indvar.next = add i64 %i.01, 199 ; <i32> [#uses=2] |
| %exitcond = icmp eq i64 %indvar.next, %n ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb |
| |
| return: ; preds = %bb, %entry |
| %p = phi i64 [ 0, %entry ], [ %t2, %bb ] |
| %q = phi i64 [ 0, %entry ], [ %s2, %bb ] |
| %v = xor i64 %p, %q |
| ret i64 %v |
| } |