4b3a878e8a
The patch sets the vectorization metadata to false for Polly's fallback loops. These are the loops executed when RTCs fail. This minimizes the multiple loop versioning carried out by Polly and subsequently by the Loop Vectorizer. --------- Co-authored-by: Michael Kruse <github@meinersbur.de>
186 lines
8.6 KiB
LLVM
186 lines
8.6 KiB
LLVM
; RUN: opt %loadNPMPolly -passes=polly-codegen -S \
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; RUN: -polly-codegen-add-debug-printing \
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; RUN: -polly-ignore-aliasing < %s | FileCheck %s
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; #define N 10
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; void foo(float A[restrict], double B[restrict], char C[restrict],
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; int D[restrict], long E[restrict]) {
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; for (long i = 0; i < N; i++)
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; A[i] += B[i] + C[i] + D[i] + E[i];
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; }
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;
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; int main() {
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; float A[N];
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; double B[N];
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; char C[N];
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; int D[N];
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; long E[N];
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;
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; for (long i = 0; i < N; i++) {
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; __sync_synchronize();
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; A[i] = B[i] = C[i] = D[i] = E[i] = 42;
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; }
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;
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; foo(A, B, C, D, E);
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;
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; return A[8];
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; }
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; CHECK: @0 = private unnamed_addr addrspace(4) constant [11 x i8] c"Load from \00"
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; CHECK: @1 = private unnamed_addr addrspace(4) constant [3 x i8] c": \00"
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; CHECK: @2 = private unnamed_addr addrspace(4) constant [2 x i8] c"\0A\00"
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; CHECK: @3 = private unnamed_addr constant [12 x i8] c"%s%ld%s%f%s\00"
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; CHECK: @4 = private unnamed_addr addrspace(4) constant [11 x i8] c"Load from \00"
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; CHECK: @5 = private unnamed_addr addrspace(4) constant [3 x i8] c": \00"
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; CHECK: @6 = private unnamed_addr addrspace(4) constant [2 x i8] c"\0A\00"
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; CHECK: @7 = private unnamed_addr constant [13 x i8] c"%s%ld%s%ld%s\00"
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; CHECK: @8 = private unnamed_addr addrspace(4) constant [11 x i8] c"Load from \00"
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; CHECK: @9 = private unnamed_addr addrspace(4) constant [3 x i8] c": \00"
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; CHECK: @10 = private unnamed_addr addrspace(4) constant [2 x i8] c"\0A\00"
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; CHECK: @11 = private unnamed_addr constant [13 x i8] c"%s%ld%s%ld%s\00"
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; CHECK: @12 = private unnamed_addr addrspace(4) constant [11 x i8] c"Load from \00"
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; CHECK: @13 = private unnamed_addr addrspace(4) constant [3 x i8] c": \00"
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; CHECK: @14 = private unnamed_addr addrspace(4) constant [2 x i8] c"\0A\00"
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; CHECK: @15 = private unnamed_addr constant [13 x i8] c"%s%ld%s%ld%s\00"
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; CHECK: @16 = private unnamed_addr addrspace(4) constant [11 x i8] c"Load from \00"
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; CHECK: @17 = private unnamed_addr addrspace(4) constant [3 x i8] c": \00"
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; CHECK: @18 = private unnamed_addr addrspace(4) constant [2 x i8] c"\0A\00"
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; CHECK: @19 = private unnamed_addr constant [12 x i8] c"%s%ld%s%f%s\00"
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; CHECK: @20 = private unnamed_addr addrspace(4) constant [11 x i8] c"Store to \00"
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; CHECK: @21 = private unnamed_addr addrspace(4) constant [3 x i8] c": \00"
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; CHECK: @22 = private unnamed_addr addrspace(4) constant [2 x i8] c"\0A\00"
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; CHECK: @23 = private unnamed_addr constant [12 x i8] c"%s%ld%s%f%s\00"
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; CHECK: %0 = shl nuw nsw i64 %polly.indvar, 3
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; CHECK: %scevgep = getelementptr i8, ptr %B, i64 %0
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; CHECK: %tmp3_p_scalar_ = load double, ptr %scevgep, align 8, !alias.scope !2, !noalias !5
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; CHECK: %1 = ptrtoint ptr %scevgep to i64
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; CHECK: %2 = call i32 (...) @printf(ptr @3, ptr addrspace(4) @0, i64 %1, ptr addrspace(4) @1, double %tmp3_p_scalar_, ptr addrspace(4) @2)
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; CHECK: %3 = call i32 @fflush(ptr null)
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; CHECK: %scevgep1 = getelementptr i8, ptr %C, i64 %polly.indvar
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; CHECK: %tmp5_p_scalar_ = load i8, ptr %scevgep1, align 1, !alias.scope !10, !noalias !11
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; CHECK: %4 = ptrtoint ptr %scevgep1 to i64
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; CHECK: %5 = sext i8 %tmp5_p_scalar_ to i64
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; CHECK: %6 = call i32 (...) @printf(ptr @7, ptr addrspace(4) @4, i64 %4, ptr addrspace(4) @5, i64 %5, ptr addrspace(4) @6)
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; CHECK: %7 = call i32 @fflush(ptr null)
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; CHECK: %p_tmp6 = sitofp i8 %tmp5_p_scalar_ to double
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; CHECK: %p_tmp7 = fadd double %tmp3_p_scalar_, %p_tmp6
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; CHECK: %8 = shl nuw nsw i64 %polly.indvar, 2
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; CHECK: %scevgep2 = getelementptr i8, ptr %D, i64 %8
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; CHECK: %tmp9_p_scalar_ = load i32, ptr %scevgep2, align 4, !alias.scope !12, !noalias !13
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; CHECK: %9 = ptrtoint ptr %scevgep2 to i64
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; CHECK: %10 = sext i32 %tmp9_p_scalar_ to i64
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; CHECK: %11 = call i32 (...) @printf(ptr @11, ptr addrspace(4) @8, i64 %9, ptr addrspace(4) @9, i64 %10, ptr addrspace(4) @10)
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; CHECK: %12 = call i32 @fflush(ptr null)
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; CHECK: %p_tmp10 = sitofp i32 %tmp9_p_scalar_ to double
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; CHECK: %p_tmp11 = fadd double %p_tmp7, %p_tmp10
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; CHECK: %13 = shl nuw nsw i64 %polly.indvar, 3
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; CHECK: %scevgep3 = getelementptr i8, ptr %E, i64 %13
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; CHECK: %tmp13_p_scalar_ = load i64, ptr %scevgep3, align 8, !alias.scope !14, !noalias !15
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; CHECK: %14 = ptrtoint ptr %scevgep3 to i64
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; CHECK: %15 = call i32 (...) @printf(ptr @15, ptr addrspace(4) @12, i64 %14, ptr addrspace(4) @13, i64 %tmp13_p_scalar_, ptr addrspace(4) @14)
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; CHECK: %16 = call i32 @fflush(ptr null)
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; CHECK: %p_tmp14 = sitofp i64 %tmp13_p_scalar_ to double
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; CHECK: %p_tmp15 = fadd double %p_tmp11, %p_tmp14
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; CHECK: %17 = shl nuw nsw i64 %polly.indvar, 2
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; CHECK: %scevgep4 = getelementptr i8, ptr %A, i64 %17
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; CHECK: %tmp17_p_scalar_ = load float, ptr %scevgep4, align 4, !alias.scope !16, !noalias !17
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; CHECK: %18 = ptrtoint ptr %scevgep4 to i64
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; CHECK: %19 = fpext float %tmp17_p_scalar_ to double
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; CHECK: %20 = call i32 (...) @printf(ptr @19, ptr addrspace(4) @16, i64 %18, ptr addrspace(4) @17, double %19, ptr addrspace(4) @18)
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; CHECK: %21 = call i32 @fflush(ptr null)
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; CHECK: %p_tmp18 = fpext float %tmp17_p_scalar_ to double
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; CHECK: %p_tmp19 = fadd double %p_tmp18, %p_tmp15
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; CHECK: %p_tmp20 = fptrunc double %p_tmp19 to float
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; CHECK: %22 = ptrtoint ptr %scevgep4 to i64
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; CHECK: %23 = fpext float %p_tmp20 to double
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; CHECK: %24 = call i32 (...) @printf(ptr @23, ptr addrspace(4) @20, i64 %22, ptr addrspace(4) @21, double %23, ptr addrspace(4) @22)
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; CHECK: %25 = call i32 @fflush(ptr null)
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @foo(ptr noalias %A, ptr noalias %B, ptr noalias %C, ptr noalias %D, ptr noalias %E) {
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bb:
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br label %bb1
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bb1: ; preds = %bb21, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp22, %bb21 ]
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%exitcond = icmp ne i64 %i.0, 10
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br i1 %exitcond, label %bb2, label %bb23
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bb2: ; preds = %bb1
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%tmp = getelementptr inbounds double, ptr %B, i64 %i.0
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%tmp3 = load double, ptr %tmp, align 8
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%tmp4 = getelementptr inbounds i8, ptr %C, i64 %i.0
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%tmp5 = load i8, ptr %tmp4, align 1
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%tmp6 = sitofp i8 %tmp5 to double
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%tmp7 = fadd double %tmp3, %tmp6
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%tmp8 = getelementptr inbounds i32, ptr %D, i64 %i.0
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%tmp9 = load i32, ptr %tmp8, align 4
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%tmp10 = sitofp i32 %tmp9 to double
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%tmp11 = fadd double %tmp7, %tmp10
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%tmp12 = getelementptr inbounds i64, ptr %E, i64 %i.0
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%tmp13 = load i64, ptr %tmp12, align 8
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%tmp14 = sitofp i64 %tmp13 to double
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%tmp15 = fadd double %tmp11, %tmp14
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%tmp16 = getelementptr inbounds float, ptr %A, i64 %i.0
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%tmp17 = load float, ptr %tmp16, align 4
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%tmp18 = fpext float %tmp17 to double
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%tmp19 = fadd double %tmp18, %tmp15
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%tmp20 = fptrunc double %tmp19 to float
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store float %tmp20, ptr %tmp16, align 4
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br label %bb21
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bb21: ; preds = %bb2
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%tmp22 = add nsw i64 %i.0, 1
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br label %bb1
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bb23: ; preds = %bb1
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ret void
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}
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define i32 @main() {
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bb:
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%A = alloca [10 x float], align 16
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%B = alloca [10 x double], align 16
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%C = alloca [10 x i8], align 1
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%D = alloca [10 x i32], align 16
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%E = alloca [10 x i64], align 16
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br label %bb1
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bb1: ; preds = %bb7, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp8, %bb7 ]
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%exitcond = icmp ne i64 %i.0, 10
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br i1 %exitcond, label %bb2, label %bb9
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bb2: ; preds = %bb1
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fence seq_cst
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%tmp = getelementptr inbounds [10 x i64], ptr %E, i64 0, i64 %i.0
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store i64 42, ptr %tmp, align 8
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%tmp3 = getelementptr inbounds [10 x i32], ptr %D, i64 0, i64 %i.0
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store i32 42, ptr %tmp3, align 4
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%tmp4 = getelementptr inbounds [10 x i8], ptr %C, i64 0, i64 %i.0
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store i8 42, ptr %tmp4, align 1
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%tmp5 = getelementptr inbounds [10 x double], ptr %B, i64 0, i64 %i.0
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store double 4.200000e+01, ptr %tmp5, align 8
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%tmp6 = getelementptr inbounds [10 x float], ptr %A, i64 0, i64 %i.0
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store float 4.200000e+01, ptr %tmp6, align 4
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br label %bb7
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bb7: ; preds = %bb2
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%tmp8 = add nsw i64 %i.0, 1
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br label %bb1
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bb9: ; preds = %bb1
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%tmp10 = getelementptr inbounds [10 x float], ptr %A, i64 0, i64 0
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%tmp11 = getelementptr inbounds [10 x double], ptr %B, i64 0, i64 0
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%tmp12 = getelementptr inbounds [10 x i8], ptr %C, i64 0, i64 0
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%tmp13 = getelementptr inbounds [10 x i32], ptr %D, i64 0, i64 0
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%tmp14 = getelementptr inbounds [10 x i64], ptr %E, i64 0, i64 0
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call void @foo(ptr %tmp10, ptr %tmp11, ptr %tmp12, ptr %tmp13, ptr %tmp14)
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%tmp15 = getelementptr inbounds [10 x float], ptr %A, i64 0, i64 8
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%tmp16 = load float, ptr %tmp15, align 16
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%tmp17 = fptosi float %tmp16 to i32
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ret i32 %tmp17
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}
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