1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -O3 -S < %s | FileCheck %s 3; RUN: opt -passes='default<O3>' -S < %s | FileCheck %s 4 5target triple = "x86_64--" 6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 7 8; PR42174 - https://bugs.llvm.org/show_bug.cgi?id=42174 9; This test should match the IR produced by clang after running -mem2reg. 10; All math before the final 'add' should be scalarized. 11 12define <4 x i32> @square(<4 x i32> %num, i32 %y, i32 %x, i32 %h, i32 %k, i32 %w, i32 %p, i32 %j, i32 %u) { 13; CHECK-LABEL: @square( 14; CHECK-NEXT: [[DIV:%.*]] = sdiv i32 [[K:%.*]], 2 15; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[P:%.*]], 6234 16; CHECK-NEXT: [[MUL5:%.*]] = mul nsw i32 [[H:%.*]], 75 17; CHECK-NEXT: [[DIV9:%.*]] = sdiv i32 [[J:%.*]], 3452 18; CHECK-NEXT: [[MUL13:%.*]] = mul nsw i32 [[W:%.*]], 53 19; CHECK-NEXT: [[DIV17:%.*]] = sdiv i32 [[X:%.*]], 820 20; CHECK-NEXT: [[MUL21:%.*]] = shl nsw i32 [[U:%.*]], 2 21; CHECK-NEXT: [[DOTSCALAR:%.*]] = add i32 [[Y:%.*]], 1 22; CHECK-NEXT: [[DOTSCALAR1:%.*]] = add i32 [[DOTSCALAR]], [[DIV17]] 23; CHECK-NEXT: [[DOTSCALAR2:%.*]] = add i32 [[DOTSCALAR1]], [[MUL5]] 24; CHECK-NEXT: [[DOTSCALAR3:%.*]] = add i32 [[DOTSCALAR2]], [[DIV]] 25; CHECK-NEXT: [[DOTSCALAR4:%.*]] = add i32 [[DOTSCALAR3]], [[MUL13]] 26; CHECK-NEXT: [[DOTSCALAR5:%.*]] = add i32 [[DOTSCALAR4]], [[MUL]] 27; CHECK-NEXT: [[DOTSCALAR6:%.*]] = add i32 [[DOTSCALAR5]], [[DIV9]] 28; CHECK-NEXT: [[DOTSCALAR7:%.*]] = add i32 [[DOTSCALAR6]], [[MUL21]] 29; CHECK-NEXT: [[DOTSCALAR8:%.*]] = add i32 [[DOTSCALAR7]], 317425 30; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x i32> undef, i32 [[DOTSCALAR8]], i64 0 31; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> [[TMP1]], <4 x i32> undef, <4 x i32> zeroinitializer 32; CHECK-NEXT: [[ADD29:%.*]] = add <4 x i32> [[TMP2]], [[NUM:%.*]] 33; CHECK-NEXT: ret <4 x i32> [[ADD29]] 34; 35 %add = add <4 x i32> %num, <i32 1, i32 1, i32 1, i32 1> 36 %div = sdiv i32 %k, 2 37 %splatinsert = insertelement <4 x i32> undef, i32 %div, i32 0 38 %splat = shufflevector <4 x i32> %splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer 39 %add1 = add <4 x i32> %add, %splat 40 %mul = mul nsw i32 %p, 6234 41 %splatinsert2 = insertelement <4 x i32> undef, i32 %mul, i32 0 42 %splat3 = shufflevector <4 x i32> %splatinsert2, <4 x i32> undef, <4 x i32> zeroinitializer 43 %add4 = add <4 x i32> %add1, %splat3 44 %mul5 = mul nsw i32 75, %h 45 %splatinsert6 = insertelement <4 x i32> undef, i32 %mul5, i32 0 46 %splat7 = shufflevector <4 x i32> %splatinsert6, <4 x i32> undef, <4 x i32> zeroinitializer 47 %add8 = add <4 x i32> %add4, %splat7 48 %div9 = sdiv i32 %j, 3452 49 %splatinsert10 = insertelement <4 x i32> undef, i32 %div9, i32 0 50 %splat11 = shufflevector <4 x i32> %splatinsert10, <4 x i32> undef, <4 x i32> zeroinitializer 51 %add12 = add <4 x i32> %add8, %splat11 52 %mul13 = mul nsw i32 53, %w 53 %splatinsert14 = insertelement <4 x i32> undef, i32 %mul13, i32 0 54 %splat15 = shufflevector <4 x i32> %splatinsert14, <4 x i32> undef, <4 x i32> zeroinitializer 55 %add16 = add <4 x i32> %add12, %splat15 56 %div17 = sdiv i32 %x, 820 57 %splatinsert18 = insertelement <4 x i32> undef, i32 %div17, i32 0 58 %splat19 = shufflevector <4 x i32> %splatinsert18, <4 x i32> undef, <4 x i32> zeroinitializer 59 %add20 = add <4 x i32> %add16, %splat19 60 %mul21 = mul nsw i32 4, %u 61 %splatinsert22 = insertelement <4 x i32> undef, i32 %mul21, i32 0 62 %splat23 = shufflevector <4 x i32> %splatinsert22, <4 x i32> undef, <4 x i32> zeroinitializer 63 %add24 = add <4 x i32> %add20, %splat23 64 %splatinsert25 = insertelement <4 x i32> undef, i32 %y, i32 0 65 %splat26 = shufflevector <4 x i32> %splatinsert25, <4 x i32> undef, <4 x i32> zeroinitializer 66 %add27 = add <4 x i32> %add24, %splat26 67 %add28 = add <4 x i32> %add27, <i32 25, i32 25, i32 25, i32 25> 68 %add29 = add <4 x i32> %add28, <i32 317400, i32 317400, i32 317400, i32 317400> 69 ret <4 x i32> %add29 70} 71 72