loopinvariant.ll
5.09 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basicaa -slp-vectorizer -S -mcpu=corei7-avx | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
define i32 @foo(i32* nocapture %A, i32 %n) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP62:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP62]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
; CHECK-NEXT: [[TMP0:%.*]] = or i64 [[INDVARS_IV]], 1
; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP1:%.*]] = or i64 [[INDVARS_IV]], 2
; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP1]]
; CHECK-NEXT: [[TMP2:%.*]] = or i64 [[INDVARS_IV]], 3
; CHECK-NEXT: [[ARRAYIDX12:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP2]]
; CHECK-NEXT: [[TMP3:%.*]] = or i64 [[INDVARS_IV]], 4
; CHECK-NEXT: [[ARRAYIDX16:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP3]]
; CHECK-NEXT: [[TMP4:%.*]] = or i64 [[INDVARS_IV]], 5
; CHECK-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP4]]
; CHECK-NEXT: [[TMP5:%.*]] = or i64 [[INDVARS_IV]], 6
; CHECK-NEXT: [[ARRAYIDX24:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP5]]
; CHECK-NEXT: [[TMP6:%.*]] = or i64 [[INDVARS_IV]], 7
; CHECK-NEXT: [[ARRAYIDX28:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP6]]
; CHECK-NEXT: [[TMP7:%.*]] = bitcast i32* [[ARRAYIDX]] to <8 x i32>*
; CHECK-NEXT: [[TMP8:%.*]] = load <8 x i32>, <8 x i32>* [[TMP7]], align 4
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <8 x i32> undef, i32 [[N]], i32 0
; CHECK-NEXT: [[TMP10:%.*]] = insertelement <8 x i32> [[TMP9]], i32 [[N]], i32 1
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <8 x i32> [[TMP10]], i32 [[N]], i32 2
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <8 x i32> [[TMP11]], i32 [[N]], i32 3
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <8 x i32> [[TMP12]], i32 [[N]], i32 4
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <8 x i32> [[TMP13]], i32 [[N]], i32 5
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <8 x i32> [[TMP14]], i32 [[N]], i32 6
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <8 x i32> [[TMP15]], i32 [[N]], i32 7
; CHECK-NEXT: [[TMP17:%.*]] = add nsw <8 x i32> [[TMP8]], [[TMP16]]
; CHECK-NEXT: [[TMP18:%.*]] = bitcast i32* [[ARRAYIDX]] to <8 x i32>*
; CHECK-NEXT: store <8 x i32> [[TMP17]], <8 x i32>* [[TMP18]], align 4
; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 8
; CHECK-NEXT: [[TMP19:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP19]], [[N]]
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END]]
; CHECK: for.end:
; CHECK-NEXT: ret i32 undef
;
entry:
%cmp62 = icmp sgt i32 %n, 0
br i1 %cmp62, label %for.body, label %for.end
for.body:
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%0 = load i32, i32* %arrayidx, align 4
%add1 = add nsw i32 %0, %n
store i32 %add1, i32* %arrayidx, align 4
%1 = or i64 %indvars.iv, 1
%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %1
%2 = load i32, i32* %arrayidx4, align 4
%add5 = add nsw i32 %2, %n
store i32 %add5, i32* %arrayidx4, align 4
%3 = or i64 %indvars.iv, 2
%arrayidx8 = getelementptr inbounds i32, i32* %A, i64 %3
%4 = load i32, i32* %arrayidx8, align 4
%add9 = add nsw i32 %4, %n
store i32 %add9, i32* %arrayidx8, align 4
%5 = or i64 %indvars.iv, 3
%arrayidx12 = getelementptr inbounds i32, i32* %A, i64 %5
%6 = load i32, i32* %arrayidx12, align 4
%add13 = add nsw i32 %6, %n
store i32 %add13, i32* %arrayidx12, align 4
%7 = or i64 %indvars.iv, 4
%arrayidx16 = getelementptr inbounds i32, i32* %A, i64 %7
%8 = load i32, i32* %arrayidx16, align 4
%add17 = add nsw i32 %8, %n
store i32 %add17, i32* %arrayidx16, align 4
%9 = or i64 %indvars.iv, 5
%arrayidx20 = getelementptr inbounds i32, i32* %A, i64 %9
%10 = load i32, i32* %arrayidx20, align 4
%add21 = add nsw i32 %10, %n
store i32 %add21, i32* %arrayidx20, align 4
%11 = or i64 %indvars.iv, 6
%arrayidx24 = getelementptr inbounds i32, i32* %A, i64 %11
%12 = load i32, i32* %arrayidx24, align 4
%add25 = add nsw i32 %12, %n
store i32 %add25, i32* %arrayidx24, align 4
%13 = or i64 %indvars.iv, 7
%arrayidx28 = getelementptr inbounds i32, i32* %A, i64 %13
%14 = load i32, i32* %arrayidx28, align 4
%add29 = add nsw i32 %14, %n
store i32 %add29, i32* %arrayidx28, align 4
%indvars.iv.next = add i64 %indvars.iv, 8
%15 = trunc i64 %indvars.iv.next to i32
%cmp = icmp slt i32 %15, %n
br i1 %cmp, label %for.body, label %for.end
for.end:
ret i32 undef
}