forked from OSchip/llvm-project
119 lines
4.9 KiB
LLVM
119 lines
4.9 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze \
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; RUN: -polly-invariant-load-hoisting < %s | FileCheck %s -check-prefix=SCOP
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;
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; RUN: opt %loadPolly -polly-scops -S -polly-invariant-load-hoisting \
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; RUN: -polly-codegen-ppcg < %s | FileCheck %s -check-prefix=HOST-IR
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;
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; RUN: opt %loadPolly -polly-scops -analyze -polly-invariant-load-hoisting \
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; RUN: -polly-codegen-ppcg -polly-acc-dump-kernel-ir < %s | FileCheck %s -check-prefix=KERNEL-IR
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;
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; REQUIRES: pollyacc
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;
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; SCOP: Function: f
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; SCOP-NEXT: Region: %entry.split---%for.end26
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; SCOP-NEXT: Max Loop Depth: 3
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; SCOP-NEXT: Invariant Accesses: {
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; SCOP-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; SCOP-NEXT: [n, tmp12] -> { Stmt_for_body6[i0, i1, i2] -> MemRef_invariant[0] };
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; SCOP-NEXT: Execution Context: [n, tmp12] -> { : n > 0 }
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; SCOP-NEXT: }
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; HOST-IR: call void @polly_launchKernel(i8* %219, i32 %225, i32 1, i32 32, i32 1, i32 1, i8* %polly_launch_0_params_i8ptr)
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; HOST-IR-NEXT: call void @polly_freeKernel(i8* %219)
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; KERNEL-IR: define ptx_kernel void @FUNC_f_SCOP_0_KERNEL_0(i8 addrspace(1)* %MemRef_B, i8 addrspace(1)* %MemRef_A, i32 %n, i32 %tmp12, i32 %polly.preload.tmp21.merge)
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; Check that we generate correct GPU code in case of invariant load hoisting.
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;
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;
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; static const int N = 3000;
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;
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; void f(int A[N][N], int *invariant, int B[N][N], int n) {
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; for (int i = 0; i < n; i++) {
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; for (int j = 0; j < n; j++) {
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; for (int k = 0; k < n; k++) {
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;
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; A[*invariant][k] = B[k][k];
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; A[k][*invariant] += B[k][k];
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; }
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; }
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; }
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; }
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;
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define void @f([3000 x i32]* %A, i32* %invariant, [3000 x i32]* %B, i32 %n) {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.cond1.preheader.lr.ph, label %for.end26
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for.cond1.preheader.lr.ph: ; preds = %entry.split
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br label %for.cond1.preheader
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for.cond1.preheader: ; preds = %for.cond1.preheader.lr.ph, %for.inc24
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%i.07 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc25, %for.inc24 ]
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%cmp23 = icmp sgt i32 %n, 0
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br i1 %cmp23, label %for.cond4.preheader.lr.ph, label %for.inc24
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for.cond4.preheader.lr.ph: ; preds = %for.cond1.preheader
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br label %for.cond4.preheader
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for.cond4.preheader: ; preds = %for.cond4.preheader.lr.ph, %for.inc21
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%j.04 = phi i32 [ 0, %for.cond4.preheader.lr.ph ], [ %inc22, %for.inc21 ]
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%cmp51 = icmp sgt i32 %n, 0
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br i1 %cmp51, label %for.body6.lr.ph, label %for.inc21
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for.body6.lr.ph: ; preds = %for.cond4.preheader
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br label %for.body6
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for.body6: ; preds = %for.body6.lr.ph, %for.body6
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%k.02 = phi i32 [ 0, %for.body6.lr.ph ], [ %inc, %for.body6 ]
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%idxprom = sext i32 %k.02 to i64
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%idxprom7 = sext i32 %k.02 to i64
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%arrayidx8 = getelementptr inbounds [3000 x i32], [3000 x i32]* %B, i64 %idxprom, i64 %idxprom7
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%tmp9 = load i32, i32* %arrayidx8, align 4
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%tmp12 = load i32, i32* %invariant, align 4
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%idxprom9 = sext i32 %tmp12 to i64
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%idxprom11 = sext i32 %k.02 to i64
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%arrayidx12 = getelementptr inbounds [3000 x i32], [3000 x i32]* %A, i64 %idxprom9, i64 %idxprom11
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store i32 %tmp9, i32* %arrayidx12, align 4
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%idxprom13 = sext i32 %k.02 to i64
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%idxprom15 = sext i32 %k.02 to i64
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%arrayidx16 = getelementptr inbounds [3000 x i32], [3000 x i32]* %B, i64 %idxprom13, i64 %idxprom15
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%tmp17 = load i32, i32* %arrayidx16, align 4
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%idxprom17 = sext i32 %k.02 to i64
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%tmp21 = load i32, i32* %invariant, align 4
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%idxprom19 = sext i32 %tmp21 to i64
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%arrayidx20 = getelementptr inbounds [3000 x i32], [3000 x i32]* %A, i64 %idxprom17, i64 %idxprom19
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%tmp22 = load i32, i32* %arrayidx20, align 4
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%add = add nsw i32 %tmp22, %tmp17
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store i32 %add, i32* %arrayidx20, align 4
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%inc = add nuw nsw i32 %k.02, 1
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%cmp5 = icmp slt i32 %inc, %n
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br i1 %cmp5, label %for.body6, label %for.cond4.for.inc21_crit_edge
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for.cond4.for.inc21_crit_edge: ; preds = %for.body6
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br label %for.inc21
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for.inc21: ; preds = %for.cond4.for.inc21_crit_edge, %for.cond4.preheader
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%inc22 = add nuw nsw i32 %j.04, 1
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%cmp2 = icmp slt i32 %inc22, %n
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br i1 %cmp2, label %for.cond4.preheader, label %for.cond1.for.inc24_crit_edge
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for.cond1.for.inc24_crit_edge: ; preds = %for.inc21
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br label %for.inc24
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for.inc24: ; preds = %for.cond1.for.inc24_crit_edge, %for.cond1.preheader
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%inc25 = add nuw nsw i32 %i.07, 1
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%cmp = icmp slt i32 %inc25, %n
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br i1 %cmp, label %for.cond1.preheader, label %for.cond.for.end26_crit_edge
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for.cond.for.end26_crit_edge: ; preds = %for.inc24
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br label %for.end26
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for.end26: ; preds = %for.cond.for.end26_crit_edge, %entry.split
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ret void
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}
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