mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
|
; RUN: opt -passes="verify<scalar-evolution>,lcssa,verify<scalar-evolution>" -verify-scev-strict -S %s
|
||
|
|
|
||
|
|
; The first SCEV verification is required because it queries SCEV and populates
|
||
|
|
; SCEV caches. Second SCEV verification checks if the caches are in valid state.
|
||
|
|
|
||
|
|
; Check that the second SCEV verification doesn't fail.
|
||
|
|
define void @foo(i32* %arg, i32* %arg1, i1 %arg2) {
|
||
|
|
bb:
|
||
|
|
br label %bb3
|
||
|
|
|
||
|
|
bb3: ; preds = %bb13, %bb
|
||
|
|
%tmp = load i32, i32* %arg
|
||
|
|
%tmp4 = load i32, i32* %arg1
|
||
|
|
%tmp5 = add i32 %tmp4, %tmp
|
||
|
|
%tmp6 = icmp sgt i32 %tmp5, %tmp
|
||
|
|
br i1 %tmp6, label %bb7, label %bb11
|
||
|
|
|
||
|
|
bb7: ; preds = %bb3
|
||
|
|
br i1 %arg2, label %bb10, label %bb8
|
||
|
|
|
||
|
|
bb8: ; preds = %bb7
|
||
|
|
%tmp9 = add nsw i32 %tmp, 1
|
||
|
|
ret void
|
||
|
|
|
||
|
|
bb10: ; preds = %bb7
|
||
|
|
br label %bb11
|
||
|
|
|
||
|
|
bb11: ; preds = %bb10, %bb3
|
||
|
|
%tmp12 = phi i32 [ 0, %bb3 ], [ %tmp4, %bb10 ]
|
||
|
|
br label %bb13
|
||
|
|
|
||
|
|
bb13: ; preds = %bb13, %bb11
|
||
|
|
%tmp14 = phi i32 [ %tmp15, %bb13 ], [ 0, %bb11 ]
|
||
|
|
%tmp15 = add nuw nsw i32 %tmp14, 1
|
||
|
|
%tmp16 = icmp slt i32 %tmp15, %tmp12
|
||
|
|
br i1 %tmp16, label %bb13, label %bb3
|
||
|
|
}
|