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1# RUN: llc -run-pass pipeliner -debug-only=pipeliner %s -o /dev/null -pipeliner-max-num-stores=5 2>&1 | FileCheck %s2# REQUIRES: asserts3 4# This loop has six stores, which exceeds the limit set by5# `pipeliner-max-num-stores`.6 7# CHECK: Too many stores8 9--- |10 target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"11 target triple = "hexagon-unknown-linux-musl"12 13 define void @f(ptr %a, i32 %n) #0 {14 entry:15 %guard = icmp sgt i32 %n, 016 %btc = sub nsw i32 %n, 117 br i1 %guard, label %loop.preheader, label %exit18 19 loop.preheader: ; preds = %entry20 %0 = add i32 %n, 121 %cgep = getelementptr i8, ptr %a, i32 %022 br label %loop23 24 loop: ; preds = %loop.preheader, %loop25 %lsr.iv = phi ptr [ %cgep, %loop.preheader ], [ %cgep8, %loop ]26 %i = phi i32 [ %i.dec, %loop ], [ %btc, %loop.preheader ]27 %cgep7 = getelementptr i8, ptr %lsr.iv, i32 -228 store i8 0, ptr %cgep7, align 129 %cgep8 = getelementptr i8, ptr %lsr.iv, i32 -130 store i8 1, ptr %cgep8, align 131 store i8 2, ptr %lsr.iv, align 132 %cgep9 = getelementptr i8, ptr %lsr.iv, i32 133 store i8 3, ptr %cgep9, align 134 %cgep10 = getelementptr i8, ptr %lsr.iv, i32 235 store i8 4, ptr %cgep10, align 136 %cgep11 = getelementptr i8, ptr %lsr.iv, i32 337 store i8 5, ptr %cgep11, align 138 %i.dec = sub i32 %i, 139 %ec = icmp eq i32 %i.dec, 040 br i1 %ec, label %exit, label %loop41 42 exit: ; preds = %loop, %entry43 ret void44 }45 46 attributes #0 = { "target-cpu"="hexagonv79" }47...48---49name: f50tracksRegLiveness: true51body: |52 bb.0.entry:53 successors: %bb.1(0x50000000), %bb.3(0x30000000)54 liveins: $r0, $r155 56 %7:intregs = COPY $r157 %6:intregs = COPY $r058 %8:predregs = C2_cmpgti %7, 059 J2_jumpf %8, %bb.3, implicit-def dead $pc60 J2_jump %bb.1, implicit-def dead $pc61 62 bb.1.loop.preheader:63 successors: %bb.2(0x80000000)64 65 %0:intregs = A2_addi %7, -166 %1:intregs = S4_addaddi %7, %6, 167 %10:intregs = A2_tfrsi 068 %11:intregs = A2_tfrsi 169 %14:intregs = COPY %070 J2_loop0r %bb.2, %14, implicit-def $lc0, implicit-def $sa0, implicit-def $usr71 72 bb.2.loop (machine-block-address-taken):73 successors: %bb.3(0x04000000), %bb.2(0x7c000000)74 75 %2:intregs = PHI %1, %bb.1, %4, %bb.276 S2_storerb_io %2, -2, %10 :: (store (s8) into %ir.cgep7)77 %4:intregs = A2_addi %2, -178 S2_storerb_io %2, -1, %11 :: (store (s8) into %ir.cgep8)79 S4_storeirb_io %2, 0, 2 :: (store (s8) into %ir.lsr.iv)80 S4_storeirb_io %2, 1, 3 :: (store (s8) into %ir.cgep9)81 S4_storeirb_io %2, 2, 4 :: (store (s8) into %ir.cgep10)82 S4_storeirb_io %2, 3, 5 :: (store (s8) into %ir.cgep11)83 ENDLOOP0 %bb.2, implicit-def $pc, implicit-def $lc0, implicit $sa0, implicit $lc084 J2_jump %bb.3, implicit-def dead $pc85 86 bb.3.exit:87 PS_jmpret $r31, implicit-def dead $pc88...89