# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=x86_64-- -run-pass machinelicm -mcpu=skx -verify-machineinstrs -o - %s | FileCheck %s --- | @x = dso_local global i32 0, align 4 @z = dso_local local_unnamed_addr global [1024 x i32] zeroinitializer, align 16 @y = dso_local local_unnamed_addr constant i32* null, align 8 ; Function Attrs: nofree norecurse nosync nounwind uwtable writeonly mustprogress define dso_local void @_Z3foov() local_unnamed_addr #0 { %1 = load i32*, i32** @y, align 8, !tbaa !3 %2 = icmp eq i32* %1, @x %3 = zext i1 %2 to i32 br label %5 4: ; preds = %5 ret void 5: ; preds = %5, %0 %lsr.iv = phi i64 [ %lsr.iv.next, %5 ], [ -4096, %0 ] %uglygep = getelementptr i8, i8* bitcast ([1024 x i32]* @z to i8*), i64 %lsr.iv %uglygep2 = bitcast i8* %uglygep to i32* %scevgep = getelementptr i32, i32* %uglygep2, i64 1024 store i32 %3, i32* %scevgep, align 4, !tbaa !7 %lsr.iv.next = add nsw i64 %lsr.iv, 4 %6 = icmp eq i64 %lsr.iv.next, 0 br i1 %6, label %4, label %5, !llvm.loop !9 } attributes #0 = { nofree norecurse nosync nounwind uwtable writeonly mustprogress "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+x87,-aes,-avx,-avx2,-avx512bf16,-avx512bitalg,-avx512bw,-avx512cd,-avx512dq,-avx512er,-avx512f,-avx512ifma,-avx512pf,-avx512vbmi,-avx512vbmi2,-avx512vl,-avx512vnni,-avx512vp2intersect,-avx512vpopcntdq,-avxvnni,-f16c,-fma,-fma4,-gfni,-kl,-pclmul,-sha,-sse,-sse2,-sse3,-sse4.1,-sse4.2,-sse4a,-ssse3,-vaes,-vpclmulqdq,-widekl,-xop" "tune-cpu"="generic" } !llvm.module.flags = !{!0, !1} !llvm.ident = !{!2} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{i32 7, !"uwtable", i32 1} !2 = !{!"clang version 13.0.0 (https://github.com/llvm/llvm-project.git c42dd5dbb015afaef99cf876195c474c63c2393e)"} !3 = !{!4, !4, i64 0} !4 = !{!"any pointer", !5, i64 0} !5 = !{!"omnipotent char", !6, i64 0} !6 = !{!"Simple C++ TBAA"} !7 = !{!8, !8, i64 0} !8 = !{!"int", !5, i64 0} !9 = distinct !{!9, !10, !11} !10 = !{!"llvm.loop.mustprogress"} !11 = !{!"llvm.loop.unroll.disable"} ... --- name: _Z3foov alignment: 16 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true hasWinCFI: false registers: [] liveins: [] frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 4294967295 cvBytesOfCalleeSavedRegisters: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false hasTailCall: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: [] stack: [] callSites: [] debugValueSubstitutions: [] constants: [] machineFunctionInfo: {} body: | ; CHECK-LABEL: name: _Z3foov ; CHECK: bb.0 (%ir-block.0): ; CHECK-NEXT: successors: %bb.2(0x80000000) ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: renamable $eax = MOV32r0 implicit-def dead $eflags ; CHECK-NEXT: renamable $rcx = MOV64ri32 -4096 ; CHECK-NEXT: [[MOV64ri32_:%[0-9]+]]:gr64 = MOV64ri32 -4096 ; CHECK-NEXT: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm $rip, 1, $noreg, @y, $noreg :: (dereferenceable invariant load (s64) from @y, !tbaa !3) ; CHECK-NEXT: JMP_1 %bb.2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.1 (%ir-block.4): ; CHECK-NEXT: RET 0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: bb.2 (%ir-block.5): ; CHECK-NEXT: successors: %bb.1(0x04000000), %bb.2(0x7c000000) ; CHECK-NEXT: liveins: $eax, $rcx ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: CMP64ri32 [[MOV64rm]], @x, implicit-def $eflags ; CHECK-NEXT: renamable $al = SETCCr 4, implicit killed $eflags, implicit killed $eax, implicit-def $eax ; CHECK-NEXT: MOV32mr renamable $rcx, 1, $noreg, @z + 4096, $noreg, renamable $eax :: (store (s32) into %ir.scevgep, !tbaa !7) ; CHECK-NEXT: renamable $rcx = ADD64ri8 killed renamable $rcx, 4, implicit-def $eflags ; CHECK-NEXT: JCC_1 %bb.1, 4, implicit killed $eflags ; CHECK-NEXT: JMP_1 %bb.2 bb.0 (%ir-block.0): successors: %bb.2(0x80000000) renamable $eax = MOV32r0 implicit-def dead $eflags renamable $rcx = MOV64ri32 -4096 JMP_1 %bb.2 bb.1 (%ir-block.4): RET 0 bb.2 (%ir-block.5): successors: %bb.1(0x04000000), %bb.2(0x7c000000) liveins: $eax, $rcx %2:gr64 = MOV64ri32 -4096 CMP64mi32 $rip, 1, $noreg, @y, $noreg, @x, implicit-def $eflags :: (dereferenceable invariant load (s64) from @y, !tbaa !3) renamable $al = SETCCr 4, implicit killed $eflags, implicit killed $eax, implicit-def $eax MOV32mr renamable $rcx, 1, $noreg, @z + 4096, $noreg, renamable $eax :: (store (s32) into %ir.scevgep, !tbaa !7) renamable $rcx = ADD64ri8 killed renamable $rcx, 4, implicit-def $eflags JCC_1 %bb.1, 4, implicit killed $eflags JMP_1 %bb.2 ...