a0be4724a9
Currently reductions can handles only same/alternate instructions, skipping potential support for copyables. Patch adds support for copyables in the reduced values. Recommit after revert in 1febc3f088ef444af378c0a90aaba2195c30472b
72 lines
3.9 KiB
LLVM
72 lines
3.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -O3 -S < %s | FileCheck %s
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; RUN: opt -passes="default<O3>" -S < %s | FileCheck %s
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target triple = "x86_64--"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; PR42174 - https://bugs.llvm.org/show_bug.cgi?id=42174
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; This test should match the IR produced by clang after running -mem2reg.
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; All math before the final 'add' should be scalarized.
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define <4 x i32> @square(<4 x i32> %num, i32 %y, i32 %x, i32 %h, i32 %k, i32 %w, i32 %p, i32 %j, i32 %u) {
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; CHECK-LABEL: @square(
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; CHECK-NEXT: [[DIV:%.*]] = sdiv i32 [[K:%.*]], 2
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; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[P:%.*]], 6234
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; CHECK-NEXT: [[MUL5:%.*]] = mul nsw i32 [[H:%.*]], 75
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; CHECK-NEXT: [[DIV9:%.*]] = sdiv i32 [[J:%.*]], 3452
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; CHECK-NEXT: [[MUL13:%.*]] = mul nsw i32 [[W:%.*]], 53
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; CHECK-NEXT: [[DIV17:%.*]] = sdiv i32 [[X:%.*]], 820
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; CHECK-NEXT: [[MUL21:%.*]] = shl nsw i32 [[U:%.*]], 2
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; CHECK-NEXT: [[DOTSCALAR:%.*]] = add i32 [[Y:%.*]], 1
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; CHECK-NEXT: [[DOTSCALAR1:%.*]] = add i32 [[DOTSCALAR]], [[DIV17]]
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; CHECK-NEXT: [[DOTSCALAR2:%.*]] = add i32 [[DOTSCALAR1]], [[MUL5]]
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; CHECK-NEXT: [[DOTSCALAR3:%.*]] = add i32 [[DOTSCALAR2]], [[DIV]]
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; CHECK-NEXT: [[DOTSCALAR4:%.*]] = add i32 [[DOTSCALAR3]], [[MUL13]]
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; CHECK-NEXT: [[DOTSCALAR5:%.*]] = add i32 [[DOTSCALAR4]], [[MUL]]
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; CHECK-NEXT: [[DOTSCALAR6:%.*]] = add i32 [[DOTSCALAR5]], [[DIV9]]
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; CHECK-NEXT: [[DOTSCALAR7:%.*]] = add i32 [[DOTSCALAR6]], [[MUL21]]
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; CHECK-NEXT: [[OP_RDX15:%.*]] = add i32 [[DOTSCALAR7]], 317425
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; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x i32> poison, i32 [[OP_RDX15]], i64 0
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; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> poison, <4 x i32> zeroinitializer
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; CHECK-NEXT: [[ADD29:%.*]] = add <4 x i32> [[TMP2]], [[NUM:%.*]]
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; CHECK-NEXT: ret <4 x i32> [[ADD29]]
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;
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%add = add <4 x i32> %num, <i32 1, i32 1, i32 1, i32 1>
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%div = sdiv i32 %k, 2
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%splatinsert = insertelement <4 x i32> undef, i32 %div, i32 0
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%splat = shufflevector <4 x i32> %splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
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%add1 = add <4 x i32> %add, %splat
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%mul = mul nsw i32 %p, 6234
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%splatinsert2 = insertelement <4 x i32> undef, i32 %mul, i32 0
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%splat3 = shufflevector <4 x i32> %splatinsert2, <4 x i32> undef, <4 x i32> zeroinitializer
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%add4 = add <4 x i32> %add1, %splat3
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%mul5 = mul nsw i32 75, %h
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%splatinsert6 = insertelement <4 x i32> undef, i32 %mul5, i32 0
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%splat7 = shufflevector <4 x i32> %splatinsert6, <4 x i32> undef, <4 x i32> zeroinitializer
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%add8 = add <4 x i32> %add4, %splat7
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%div9 = sdiv i32 %j, 3452
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%splatinsert10 = insertelement <4 x i32> undef, i32 %div9, i32 0
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%splat11 = shufflevector <4 x i32> %splatinsert10, <4 x i32> undef, <4 x i32> zeroinitializer
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%add12 = add <4 x i32> %add8, %splat11
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%mul13 = mul nsw i32 53, %w
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%splatinsert14 = insertelement <4 x i32> undef, i32 %mul13, i32 0
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%splat15 = shufflevector <4 x i32> %splatinsert14, <4 x i32> undef, <4 x i32> zeroinitializer
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%add16 = add <4 x i32> %add12, %splat15
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%div17 = sdiv i32 %x, 820
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%splatinsert18 = insertelement <4 x i32> undef, i32 %div17, i32 0
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%splat19 = shufflevector <4 x i32> %splatinsert18, <4 x i32> undef, <4 x i32> zeroinitializer
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%add20 = add <4 x i32> %add16, %splat19
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%mul21 = mul nsw i32 4, %u
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%splatinsert22 = insertelement <4 x i32> undef, i32 %mul21, i32 0
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%splat23 = shufflevector <4 x i32> %splatinsert22, <4 x i32> undef, <4 x i32> zeroinitializer
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%add24 = add <4 x i32> %add20, %splat23
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%splatinsert25 = insertelement <4 x i32> undef, i32 %y, i32 0
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%splat26 = shufflevector <4 x i32> %splatinsert25, <4 x i32> undef, <4 x i32> zeroinitializer
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%add27 = add <4 x i32> %add24, %splat26
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%add28 = add <4 x i32> %add27, <i32 25, i32 25, i32 25, i32 25>
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%add29 = add <4 x i32> %add28, <i32 317400, i32 317400, i32 317400, i32 317400>
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ret <4 x i32> %add29
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}
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