a99dd8344e
Many tests were running extra passes after loop-vectorize, but they made no difference to the outcome. If tests don't require these extra passes, then we shouldn't run them because it increases the testing time.
61 lines
2.1 KiB
LLVM
61 lines
2.1 KiB
LLVM
; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s
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; int __attribute__((noinline)) sum_array(int *A, int n) {
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; return std::accumulate(A, A + n, 0);
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; }
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target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-n8:16:32:64-S128"
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;CHECK-LABEL: @sum_array(
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;CHECK: phi i64
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;CHECK: phi <4 x i32>
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;CHECK: load <4 x i32>
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;CHECK: add <4 x i32>
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;CHECK: ret i32
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define i32 @sum_array(ptr %A, i32 %n) readonly noinline {
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%1 = sext i32 %n to i64
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%2 = getelementptr inbounds i32, ptr %A, i64 %1
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%3 = icmp eq i32 %n, 0
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br i1 %3, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i
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.lr.ph.i:
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%.03.i = phi ptr [ %6, %.lr.ph.i ], [ %A, %0 ]
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%.012.i = phi i32 [ %5, %.lr.ph.i ], [ 0, %0 ]
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%4 = load i32, ptr %.03.i, align 4
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%5 = add nsw i32 %4, %.012.i
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%6 = getelementptr inbounds i32, ptr %.03.i, i64 1
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%7 = icmp eq ptr %6, %2
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br i1 %7, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i
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_ZSt10accumulateIPiiET0_T_S2_S1_.exit:
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%.01.lcssa.i = phi i32 [ 0, %0 ], [ %5, %.lr.ph.i ]
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ret i32 %.01.lcssa.i
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}
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; Same, but use a pointer with a different size.
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;CHECK-LABEL: @sum_array_as1(
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;CHECK: phi i16
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;CHECK: phi <4 x i32>
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;CHECK: load <4 x i32>
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;CHECK: add <4 x i32>
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;CHECK: ret i32
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define i32 @sum_array_as1(ptr addrspace(1) %A, i32 %n) readonly noinline {
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%1 = sext i32 %n to i64
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%2 = getelementptr inbounds i32, ptr addrspace(1) %A, i64 %1
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%3 = icmp eq i32 %n, 0
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br i1 %3, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i
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.lr.ph.i:
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%.03.i = phi ptr addrspace(1) [ %6, %.lr.ph.i ], [ %A, %0 ]
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%.012.i = phi i32 [ %5, %.lr.ph.i ], [ 0, %0 ]
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%4 = load i32, ptr addrspace(1) %.03.i, align 4
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%5 = add nsw i32 %4, %.012.i
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%6 = getelementptr inbounds i32, ptr addrspace(1) %.03.i, i64 1
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%7 = icmp eq ptr addrspace(1) %6, %2
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br i1 %7, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i
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_ZSt10accumulateIPiiET0_T_S2_S1_.exit:
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%.01.lcssa.i = phi i32 [ 0, %0 ], [ %5, %.lr.ph.i ]
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ret i32 %.01.lcssa.i
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}
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