38 lines
1.4 KiB
LLVM
38 lines
1.4 KiB
LLVM
|
; RUN: opt -loop-unroll -mtriple=hexagon -S < %s | FileCheck %s
|
||
|
|
; Check that the loop is peeled twice for Hexagon.
|
||
|
|
; CHECK: while.body.peel
|
||
|
|
; CHECK: while.body.peel2
|
||
|
|
|
||
|
|
%struct.STREAM = type { %union.anon, i32, i32 }
|
||
|
|
%union.anon = type { i32* }
|
||
|
|
|
||
|
|
define void @function(%struct.STREAM* nocapture readonly %b) local_unnamed_addr {
|
||
|
|
entry:
|
||
|
|
%bitPtr3 = getelementptr inbounds %struct.STREAM, %struct.STREAM* %b, i32 0, i32 2
|
||
|
|
%0 = load i32, i32* %bitPtr3, align 4
|
||
|
|
%cmp11 = icmp ult i32 %0, 32
|
||
|
|
br i1 %cmp11, label %while.body.preheader, label %do.end
|
||
|
|
|
||
|
|
while.body.preheader:
|
||
|
|
%value2 = getelementptr inbounds %struct.STREAM, %struct.STREAM* %b, i32 0, i32 1
|
||
|
|
%1 = load i32, i32* %value2, align 4
|
||
|
|
%w = getelementptr inbounds %struct.STREAM, %struct.STREAM* %b, i32 0, i32 0, i32 0
|
||
|
|
%2 = load i32*, i32** %w, align 4
|
||
|
|
br label %while.body
|
||
|
|
|
||
|
|
while.body:
|
||
|
|
%bitPtr.014 = phi i32 [ %add, %while.body ], [ %0, %while.body.preheader ]
|
||
|
|
%value.013 = phi i32 [ %shl, %while.body ], [ %1, %while.body.preheader ]
|
||
|
|
%ptr.012 = phi i32* [ %incdec.ptr, %while.body ], [ %2, %while.body.preheader ]
|
||
|
|
%add = add nuw i32 %bitPtr.014, 8
|
||
|
|
%shr = lshr i32 %value.013, 24
|
||
|
|
%incdec.ptr = getelementptr inbounds i32, i32* %ptr.012, i32 1
|
||
|
|
store i32 %shr, i32* %ptr.012, align 4
|
||
|
|
%shl = shl i32 %value.013, 8
|
||
|
|
%cmp = icmp ult i32 %add, 17
|
||
|
|
br i1 %cmp, label %while.body, label %do.end
|
||
|
|
|
||
|
|
do.end:
|
||
|
|
ret void
|
||
|
|
}
|