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1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py2; RUN: opt < %s -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple=thumbv8m.base | FileCheck %s --check-prefix=CHECK-T13; RUN: opt < %s -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple=thumbv8m.main | FileCheck %s --check-prefix=CHECK-V8M4; RUN: opt < %s -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple=thumbv8.1m.main -mattr=+mve | FileCheck %s --check-prefix=CHECK-MVE5; RUN: opt < %s -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple=armv8a -mattr=+neon | FileCheck %s --check-prefix=CHECK-NEON6 7target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"8 9define i32 @simple_loop_cost(i32 %N) {10; CHECK-T1-LABEL: 'simple_loop_cost'11; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 012; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader13; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br label %loop14; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]15; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 116; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N17; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit18; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]19; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: ret i32 %res20;21; CHECK-V8M-LABEL: 'simple_loop_cost'22; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 023; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader24; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br label %loop25; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]26; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 127; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N28; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit29; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]30; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: ret i32 %res31;32; CHECK-MVE-LABEL: 'simple_loop_cost'33; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 034; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader35; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop36; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]37; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 138; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N39; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit40; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]41; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res42;43; CHECK-NEON-LABEL: 'simple_loop_cost'44; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 045; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader46; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop47; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]48; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 149; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N50; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit51; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]52; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res53;54entry:55 %zero = icmp eq i32 %N, 056 br i1 %zero, label %exit, label %preheader57 58preheader:59 br label %loop60 61loop:62 %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]63 %iv.next = add nuw i32 %iv, 164 %cmp = icmp ne i32 %iv.next, %N65 br i1 %cmp, label %loop, label %exit66 67exit:68 %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]69 ret i32 %res70}71 72define i32 @simple_mul_loop(ptr %A, ptr %B, i32 %N) {73; CHECK-T1-LABEL: 'simple_mul_loop'74; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 075; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader76; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br label %loop77; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]78; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %addr.a = getelementptr i32, ptr %A, i32 %iv79; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i32, ptr %addr.a, align 480; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %load, %load81; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %addr.b = getelementptr i32, ptr %B, i32 %iv82; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 483; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 184; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N85; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit86; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]87; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: ret i32 %res88;89; CHECK-V8M-LABEL: 'simple_mul_loop'90; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 091; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader92; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br label %loop93; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]94; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %addr.a = getelementptr i32, ptr %A, i32 %iv95; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i32, ptr %addr.a, align 496; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %load, %load97; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %addr.b = getelementptr i32, ptr %B, i32 %iv98; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 499; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1100; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N101; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit102; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]103; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: ret i32 %res104;105; CHECK-MVE-LABEL: 'simple_mul_loop'106; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0107; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader108; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop109; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]110; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.a = getelementptr i32, ptr %A, i32 %iv111; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i32, ptr %addr.a, align 4112; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %load, %load113; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.b = getelementptr i32, ptr %B, i32 %iv114; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4115; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1116; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N117; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit118; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]119; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res120;121; CHECK-NEON-LABEL: 'simple_mul_loop'122; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0123; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader124; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop125; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]126; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.a = getelementptr i32, ptr %A, i32 %iv127; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i32, ptr %addr.a, align 4128; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %load, %load129; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.b = getelementptr i32, ptr %B, i32 %iv130; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4131; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1132; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N133; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit134; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]135; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res136;137entry:138 %zero = icmp eq i32 %N, 0139 br i1 %zero, label %exit, label %preheader140 141preheader:142 br label %loop143 144loop:145 %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]146 %addr.a = getelementptr i32, ptr %A, i32 %iv147 %load = load i32, ptr %addr.a148 %mul = mul i32 %load, %load149 %addr.b = getelementptr i32, ptr %B, i32 %iv150 store i32 %mul, ptr %addr.b151 %iv.next = add nuw i32 %iv, 1152 %cmp = icmp ne i32 %iv.next, %N153 br i1 %cmp, label %loop, label %exit154 155exit:156 %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]157 ret i32 %res158}159 160define i32 @simple_mul_ext_lsr_loop(ptr %A, ptr %B, i32 %N) {161; CHECK-T1-LABEL: 'simple_mul_ext_lsr_loop'162; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0163; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader164; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br label %loop165; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]166; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]167; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]168; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i16, ptr %addr.a, align 2169; CHECK-T1-NEXT: Cost Model: Found costs of 0 for: %sext = sext i16 %load to i32170; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %sext, 7171; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4172; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1173; CHECK-T1-NEXT: Cost Model: Found costs of 0 for: %addr.a.next = getelementptr i16, ptr %addr.a, i32 1174; CHECK-T1-NEXT: Cost Model: Found costs of 0 for: %addr.b.next = getelementptr i32, ptr %addr.b, i32 1175; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N176; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit177; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]178; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: ret i32 %res179;180; CHECK-V8M-LABEL: 'simple_mul_ext_lsr_loop'181; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0182; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader183; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br label %loop184; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]185; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]186; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]187; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i16, ptr %addr.a, align 2188; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %sext = sext i16 %load to i32189; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %sext, 7190; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4191; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1192; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %addr.a.next = getelementptr i16, ptr %addr.a, i32 1193; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %addr.b.next = getelementptr i32, ptr %addr.b, i32 1194; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N195; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit196; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]197; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: ret i32 %res198;199; CHECK-MVE-LABEL: 'simple_mul_ext_lsr_loop'200; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0201; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader202; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop203; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]204; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]205; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]206; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i16, ptr %addr.a, align 2207; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %sext = sext i16 %load to i32208; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %sext, 7209; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4210; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1211; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.a.next = getelementptr i16, ptr %addr.a, i32 1212; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.b.next = getelementptr i32, ptr %addr.b, i32 1213; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N214; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit215; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]216; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res217;218; CHECK-NEON-LABEL: 'simple_mul_ext_lsr_loop'219; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0220; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader221; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop222; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]223; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]224; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]225; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i16, ptr %addr.a, align 2226; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %sext = sext i16 %load to i32227; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %sext, 7228; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4229; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1230; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.a.next = getelementptr i16, ptr %addr.a, i32 1231; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.b.next = getelementptr i32, ptr %addr.b, i32 1232; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N233; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit234; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]235; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res236;237entry:238 %zero = icmp eq i32 %N, 0239 br i1 %zero, label %exit, label %preheader240 241preheader:242 br label %loop243 244loop:245 %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]246 %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]247 %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]248 %load = load i16, ptr %addr.a249 %sext = sext i16 %load to i32250 %mul = mul i32 %sext, 7251 store i32 %mul, ptr %addr.b252 %iv.next = add nuw i32 %iv, 1253 %addr.a.next = getelementptr i16, ptr %addr.a, i32 1254 %addr.b.next = getelementptr i32, ptr %addr.b, i32 1255 %cmp = icmp ne i32 %iv.next, %N256 br i1 %cmp, label %loop, label %exit257 258exit:259 %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]260 ret i32 %res261}262