forked from OSchip/llvm-project
78 lines
2.0 KiB
LLVM
78 lines
2.0 KiB
LLVM
; RUN: opt -loop-vectorize -force-vector-width=2 -force-vector-interleave=2 -scev-verify-ir -S %s | FileCheck %s
|
|
|
|
; Make sure SCEV is not queried while the IR is temporarily invalid. The tests
|
|
; deliberately do not check for details of the vectorized IR, because that's
|
|
; not the focus of the test.
|
|
|
|
define void @pr49538() {
|
|
; CHECK-LABEL: @pr49538
|
|
; CHECK: vector.body:
|
|
;
|
|
entry:
|
|
br label %loop.0
|
|
|
|
loop.0:
|
|
%iv.0 = phi i16 [ -1, %entry ], [ %iv.0.next, %loop.0.latch ]
|
|
br label %loop.1
|
|
|
|
loop.1:
|
|
%iv.1 = phi i16 [ -1, %loop.0 ], [ %iv.1.next, %loop.1 ]
|
|
%iv.1.next = add nsw i16 %iv.1, 1
|
|
%i6 = icmp eq i16 %iv.1.next, %iv.0
|
|
br i1 %i6, label %loop.0.latch, label %loop.1
|
|
|
|
loop.0.latch:
|
|
%i8 = phi i16 [ 1, %loop.1 ]
|
|
%iv.0.next = add nsw i16 %iv.0, 1
|
|
%ec.0 = icmp eq i16 %iv.0.next, %i8
|
|
br i1 %ec.0, label %exit, label %loop.0
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @pr49900(i32 %x, i64* %ptr) {
|
|
; CHECK-LABEL: @pr49900
|
|
; CHECK: vector.body{{.*}}:
|
|
; CHECK: vector.body{{.*}}:
|
|
;
|
|
entry:
|
|
br label %loop.0
|
|
|
|
loop.0: ; preds = %bb2, %bb
|
|
%ec.0 = icmp slt i32 %x, 0
|
|
br i1 %ec.0, label %loop.0, label %loop.1.ph
|
|
|
|
loop.1.ph: ; preds = %bb2
|
|
br label %loop.1
|
|
|
|
loop.1: ; preds = %bb33, %bb5
|
|
%iv.1 = phi i32 [ 0, %loop.1.ph ], [ %iv.3.next, %loop.1.latch ]
|
|
br label %loop.2
|
|
|
|
loop.2:
|
|
%iv.2 = phi i32 [ %iv.1, %loop.1 ], [ %iv.2.next, %loop.2 ]
|
|
%tmp54 = add i32 %iv.2, 12
|
|
%iv.2.next = add i32 %iv.2, 13
|
|
%ext = zext i32 %iv.2.next to i64
|
|
%tmp56 = add nuw nsw i64 %ext, 1
|
|
%C6 = icmp sle i32 %tmp54, 65536
|
|
br i1 %C6, label %loop.2, label %loop.3.ph
|
|
|
|
loop.3.ph:
|
|
br label %loop.3
|
|
|
|
loop.3:
|
|
%iv.3 = phi i32 [ %iv.2.next, %loop.3.ph ], [ %iv.3.next, %loop.3 ]
|
|
%iv.3.next = add i32 %iv.3 , 13
|
|
%C1 = icmp ult i32 %iv.3.next, 65536
|
|
br i1 %C1, label %loop.3, label %loop.1.latch
|
|
|
|
loop.1.latch:
|
|
%ec = icmp ne i32 %iv.1, 9999
|
|
br i1 %ec, label %loop.1, label %exit
|
|
|
|
exit:
|
|
ret void
|
|
}
|