forked from OSchip/llvm-project
91 lines
3.6 KiB
LLVM
91 lines
3.6 KiB
LLVM
; RUN: opt < %s -loop-interchange -verify-dom-info -S | FileCheck %s
|
|
;; Checks the order of the inner phi nodes does not cause havoc.
|
|
;; The inner loop has a reduction into c. The IV is not the first phi.
|
|
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
target triple = "armv8--linux-gnueabihf"
|
|
|
|
; Function Attrs: norecurse nounwind
|
|
define void @test(i32 %T, [90 x i32]* noalias nocapture %C, i16* noalias nocapture readonly %A, i16* noalias nocapture readonly %B) local_unnamed_addr #0 {
|
|
entry:
|
|
%cmp45 = icmp sgt i32 %T, 0
|
|
br i1 %cmp45, label %for.body3.lr.ph.preheader, label %for.end21
|
|
|
|
for.body3.lr.ph.preheader: ; preds = %entry
|
|
br label %for.body3.lr.ph
|
|
|
|
for.body3.lr.ph: ; preds = %for.body3.lr.ph.preheader, %for.inc19
|
|
%i.046 = phi i32 [ %inc20, %for.inc19 ], [ 0, %for.body3.lr.ph.preheader ]
|
|
%mul = mul nsw i32 %i.046, %T
|
|
br label %for.body6.lr.ph
|
|
|
|
for.body6.lr.ph: ; preds = %for.inc16, %for.body3.lr.ph
|
|
%j.043 = phi i32 [ 0, %for.body3.lr.ph ], [ %inc17, %for.inc16 ]
|
|
%arrayidx14 = getelementptr inbounds [90 x i32], [90 x i32]* %C, i32 %i.046, i32 %j.043
|
|
%arrayidx14.promoted = load i32, i32* %arrayidx14, align 4
|
|
br label %for.body6
|
|
|
|
for.body6: ; preds = %for.body6, %for.body6.lr.ph
|
|
%add1541 = phi i32 [ %arrayidx14.promoted, %for.body6.lr.ph ], [ %add15, %for.body6 ]
|
|
%k.040 = phi i32 [ 0, %for.body6.lr.ph ], [ %inc, %for.body6 ]
|
|
%add = add nsw i32 %k.040, %mul
|
|
%arrayidx = getelementptr inbounds i16, i16* %A, i32 %add
|
|
%0 = load i16, i16* %arrayidx, align 2
|
|
%conv = sext i16 %0 to i32
|
|
%mul7 = mul nsw i32 %k.040, %T
|
|
%add8 = add nsw i32 %mul7, %j.043
|
|
%arrayidx9 = getelementptr inbounds i16, i16* %B, i32 %add8
|
|
%1 = load i16, i16* %arrayidx9, align 2
|
|
%conv10 = sext i16 %1 to i32
|
|
%mul11 = mul nsw i32 %conv10, %conv
|
|
%add15 = add nsw i32 %mul11, %add1541
|
|
%inc = add nuw nsw i32 %k.040, 1
|
|
%exitcond = icmp eq i32 %inc, %T
|
|
br i1 %exitcond, label %for.inc16, label %for.body6
|
|
|
|
for.inc16: ; preds = %for.body6
|
|
%add15.lcssa = phi i32 [ %add15, %for.body6 ]
|
|
store i32 %add15.lcssa, i32* %arrayidx14, align 4
|
|
%inc17 = add nuw nsw i32 %j.043, 1
|
|
%exitcond47 = icmp eq i32 %inc17, %T
|
|
br i1 %exitcond47, label %for.inc19, label %for.body6.lr.ph
|
|
|
|
for.inc19: ; preds = %for.inc16
|
|
%inc20 = add nuw nsw i32 %i.046, 1
|
|
%exitcond48 = icmp eq i32 %inc20, %T
|
|
br i1 %exitcond48, label %for.end21.loopexit, label %for.body3.lr.ph
|
|
|
|
for.end21.loopexit: ; preds = %for.inc19
|
|
br label %for.end21
|
|
|
|
for.end21: ; preds = %for.end21.loopexit, %entry
|
|
ret void
|
|
}
|
|
|
|
|
|
; CHECK-LABEL: test
|
|
; CHECK: entry:
|
|
; CHECK: br i1 %cmp45, label %for.body6.preheader, label %for.end21
|
|
; CHECK: for.body3.lr.ph.preheader:
|
|
; CHECK: br label %for.body3.lr.ph
|
|
; CHECK: for.body3.lr.ph:
|
|
; CHECK: br label %for.body6.lr.ph.preheader
|
|
; CHECK: for.body6.lr.ph.preheader:
|
|
; CHECK: br label %for.body6.lr.ph
|
|
; CHECK: for.body6.lr.ph:
|
|
; CHECK: br label %for.body6.split1
|
|
; CHECK: for.body6.preheader:
|
|
; CHECK: br label %for.body6
|
|
; CHECK: for.body6:
|
|
; CHECK: br label %for.body3.lr.ph.preheader
|
|
; CHECK: for.body6.split1:
|
|
; CHECK: br label %for.inc16
|
|
; CHECK: for.body6.split:
|
|
; CHECK: add nuw nsw i32 %k.040, 1
|
|
; CHECK: br i1 %exitcond, label %for.end21.loopexit, label %for.body6
|
|
; CHECK: for.inc16:
|
|
; CHECK: br i1 %exitcond47, label %for.inc19, label %for.body6.lr.ph
|
|
; CHECK: for.inc19:
|
|
; CHECK: br i1 %exitcond48, label %for.body6.split, label %for.body3.lr.ph
|
|
; CHECK: for.end21:
|