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1; RUN: llc -mtriple=aarch64-none-linux-gnu -max-bytes-for-alignment=8 --align-loops=32 < %s -o -| FileCheck %s --check-prefixes=CHECK,CHECK-EXPLICIT2; RUN: llc -mtriple=aarch64-none-linux-gnu --align-loops=32 < %s -o -| FileCheck %s --check-prefixes=CHECK,CHECK-IMPLICIT3; RUN: llc -mtriple=aarch64-none-linux-gnu --align-loops=32 < %s -o - --filetype=obj | llvm-objdump --arch=aarch64 -d -| FileCheck %s --check-prefixes=CHECK-OBJ,CHECK-OBJ-IMPLICIT4; RUN: llc -mtriple=aarch64-none-linux-gnu -max-bytes-for-alignment=8 --align-loops=32 < %s -o - --filetype=obj | llvm-objdump --arch=aarch64 -d -| FileCheck %s --check-prefixes=CHECK-OBJ,CHECK-OBJ-EXPLICIT5 6; This test is checking that the correct operands to the .p2align are emitted correctly, and that the resulting obj7; is padded as expected. The key interest in the CHECK-OBJ-* sections is the size of the padding region (the nops),8; and not the exact instructions either side of them (But the last instruction of the EXPLICIT and IMPLICIT checks9; should be the same, at different locations)10define i32 @a(i32 %x, ptr nocapture readonly %y, ptr nocapture readonly %z) {11; CHECK-LABEL: a:12; CHECK-EXPLICIT: .p2align 5, , 813; CHECK-IMPLICIT: .p2align 514; CHECK-NEXT: .LBB0_5: // %vector.body15; CHECK-EXPLICIT: .p2align 5, , 816; CHECK-IMPLICIT: .p2align 517; CHECK-NEXT: .LBB0_8: // %for.body18; CHECK-OBJ;Disassembly of section .text:19; CHECK-OBJ: 88: 8b0a002a add20; CHECK-OBJ-IMPLICIT-NEXT: 8c: d503201f nop21; CHECK-OBJ-IMPLICIT-NEXT: 90: d503201f nop22; CHECK-OBJ-IMPLICIT-NEXT: 94: d503201f nop23; CHECK-OBJ-IMPLICIT-NEXT: 98: d503201f nop24; CHECK-OBJ-IMPLICIT-NEXT: 9c: d503201f nop25; CHECK-OBJ-IMPLICIT-NEXT: a0: b840454b ldr26; CHECK-OBJ-EXPLICIT-NEXT: 8c: b840454b ldr27entry:28 %cmp10 = icmp sgt i32 %x, 029 br i1 %cmp10, label %for.body.preheader, label %for.cond.cleanup30 31for.body.preheader: ; preds = %entry32 %wide.trip.count = zext i32 %x to i6433 %min.iters.check = icmp ult i32 %x, 834 br i1 %min.iters.check, label %for.body.preheader17, label %vector.ph35 36vector.ph: ; preds = %for.body.preheader37 %n.vec = and i64 %wide.trip.count, 429496728838 br label %vector.body39 40vector.body: ; preds = %vector.body, %vector.ph41 %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]42 %vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %10, %vector.body ]43 %vec.phi13 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %11, %vector.body ]44 %0 = getelementptr inbounds i32, ptr %y, i64 %index45 %1 = bitcast ptr %0 to ptr46 %wide.load = load <4 x i32>, ptr %1, align 447 %2 = getelementptr inbounds i32, ptr %0, i64 448 %3 = bitcast ptr %2 to ptr49 %wide.load14 = load <4 x i32>, ptr %3, align 450 %4 = getelementptr inbounds i32, ptr %z, i64 %index51 %5 = bitcast ptr %4 to ptr52 %wide.load15 = load <4 x i32>, ptr %5, align 453 %6 = getelementptr inbounds i32, ptr %4, i64 454 %7 = bitcast ptr %6 to ptr55 %wide.load16 = load <4 x i32>, ptr %7, align 456 %8 = add <4 x i32> %wide.load, %vec.phi57 %9 = add <4 x i32> %wide.load14, %vec.phi1358 %10 = add <4 x i32> %8, %wide.load1559 %11 = add <4 x i32> %9, %wide.load1660 %index.next = add nuw i64 %index, 861 %12 = icmp eq i64 %index.next, %n.vec62 br i1 %12, label %middle.block, label %vector.body63 64middle.block: ; preds = %vector.body65 %bin.rdx = add <4 x i32> %11, %1066 %13 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %bin.rdx)67 %cmp.n = icmp eq i64 %n.vec, %wide.trip.count68 br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader1769 70for.body.preheader17: ; preds = %for.body.preheader, %middle.block71 %indvars.iv.ph = phi i64 [ 0, %for.body.preheader ], [ %n.vec, %middle.block ]72 %b.011.ph = phi i32 [ 0, %for.body.preheader ], [ %13, %middle.block ]73 br label %for.body74 75for.cond.cleanup: ; preds = %for.body, %middle.block, %entry76 %b.0.lcssa = phi i32 [ 0, %entry ], [ %13, %middle.block ], [ %add3, %for.body ]77 ret i32 %b.0.lcssa78 79for.body: ; preds = %for.body.preheader17, %for.body80 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader17 ]81 %b.011 = phi i32 [ %add3, %for.body ], [ %b.011.ph, %for.body.preheader17 ]82 %arrayidx = getelementptr inbounds i32, ptr %y, i64 %indvars.iv83 %14 = load i32, ptr %arrayidx, align 484 %arrayidx2 = getelementptr inbounds i32, ptr %z, i64 %indvars.iv85 %15 = load i32, ptr %arrayidx2, align 486 %add = add i32 %14, %b.01187 %add3 = add i32 %add, %1588 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 189 %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count90 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body91}92 93declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>)94