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| ; RUN: opt %loadPolly -scalar-evolution-max-value-compare-depth=3 -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -scalar-evolution-max-value-compare-depth=3 -polly-codegen -polly-invariant-load-hoisting=true -analyze < %s
;
; Stress test for the code generation of invariant accesses.
;
; void f(int *I0, int *I1, int *I2, int *V, long p0, long p1, long p2, long p3) {
; *V = *I1;
; for (int i = 0; i < 1000; i++) {
; long n0 = p0 * *I1 + p1 * *I1;
; V[i] = I0[n0];
; long m0 = p0 * (I2[0]);
; long m1 = p1 * (I2[1]);
; long m2 = p2 * (I2[2]);
; long m3 = p3 * (I2[3]);
; int j = 0;
; do {
; if (j > 0) {
; V[i] += I1[m0 + m2];
; V[i] += I1[n0];
; }
; } while (j++ < m1 + m3 * n0);
; }
; }
;
; CHECK: p0: ((sext i32 %tmp6 to i64) * %p1)
; CHECK: p1: ((sext i32 %tmp3 to i64) * (sext i32 %tmp8 to i64) * (%p0 + %p1) * %p3)
; CHECK: p2: ((sext i32 %tmp3 to i64) * (%p0 + %p1))
; CHECK: p3: ((sext i32 %tmp5 to i64) * %p0)
; CHECK: p4: ((sext i32 %tmp7 to i64) * %p2)
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %I0, i32* %I1, i32* %I2, i32* %V, i64 %p0, i64 %p1, i64 %p2, i64 %p3) {
entry:
%tmp = load i32, i32* %I1, align 4
store i32 %tmp, i32* %V, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv1 = phi i64 [ %indvars.iv.next2, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv1, 1000
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%tmp3 = load i32, i32* %I1, align 4
%conv = sext i32 %tmp3 to i64
%mul = mul nsw i64 %conv, %p0
%conv1 = sext i32 %tmp3 to i64
%mul2 = mul nsw i64 %conv1, %p1
%add = add nsw i64 %mul, %mul2
%arrayidx = getelementptr inbounds i32, i32* %I0, i64 %add
%tmp4 = load i32, i32* %arrayidx, align 4
%arrayidx3 = getelementptr inbounds i32, i32* %V, i64 %indvars.iv1
store i32 %tmp4, i32* %arrayidx3, align 4
%tmp5 = load i32, i32* %I2, align 4
%conv5 = sext i32 %tmp5 to i64
%mul6 = mul nsw i64 %conv5, %p0
%arrayidx7 = getelementptr inbounds i32, i32* %I2, i64 1
%tmp6 = load i32, i32* %arrayidx7, align 4
%conv8 = sext i32 %tmp6 to i64
%mul9 = mul nsw i64 %conv8, %p1
%arrayidx10 = getelementptr inbounds i32, i32* %I2, i64 2
%tmp7 = load i32, i32* %arrayidx10, align 4
%conv11 = sext i32 %tmp7 to i64
%mul12 = mul nsw i64 %conv11, %p2
%arrayidx13 = getelementptr inbounds i32, i32* %I2, i64 3
%tmp8 = load i32, i32* %arrayidx13, align 4
%conv14 = sext i32 %tmp8 to i64
%mul15 = mul nsw i64 %conv14, %p3
br label %do.body
do.body: ; preds = %do.cond, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %do.cond ], [ 0, %for.body ]
%cmp16 = icmp sgt i64 %indvars.iv, 0
br i1 %cmp16, label %if.then, label %if.end
if.then: ; preds = %do.body
%add18 = add nsw i64 %mul6, %mul12
%arrayidx19 = getelementptr inbounds i32, i32* %I1, i64 %add18
%tmp9 = load i32, i32* %arrayidx19, align 4
%arrayidx21 = getelementptr inbounds i32, i32* %V, i64 %indvars.iv1
%tmp10 = load i32, i32* %arrayidx21, align 4
%add22 = add nsw i32 %tmp10, %tmp9
store i32 %add22, i32* %arrayidx21, align 4
%arrayidx23 = getelementptr inbounds i32, i32* %I1, i64 %add
%tmp11 = load i32, i32* %arrayidx23, align 4
%arrayidx25 = getelementptr inbounds i32, i32* %V, i64 %indvars.iv1
%tmp12 = load i32, i32* %arrayidx25, align 4
%add26 = add nsw i32 %tmp12, %tmp11
store i32 %add26, i32* %arrayidx25, align 4
br label %if.end
if.end: ; preds = %if.then, %do.body
br label %do.cond
do.cond: ; preds = %if.end
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%mul28 = mul nsw i64 %mul15, %add
%add29 = add nsw i64 %mul9, %mul28
%cmp30 = icmp slt i64 %indvars.iv, %add29
br i1 %cmp30, label %do.body, label %do.end
do.end: ; preds = %do.cond
br label %for.inc
for.inc: ; preds = %do.end
%indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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