mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
8a977e2edd
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94574 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
1.2 KiB
LLVM
31 lines
1.2 KiB
LLVM
; RUN: opt < %s -analyze -scalar-evolution > %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
|
|
}
|