| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -domtree -instcombine -loops -S < %s | FileCheck %s |
| ; Note: The -loops above can be anything that requires the domtree, and is |
| ; necessary to work around a pass-manager bug. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind uwtable |
| define void @foo(i32* %a, i32* %b) #0 { |
| ; CHECK-LABEL: @foo( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[PTRINT:%.*]] = ptrtoint i32* [[A:%.*]] to i64 |
| ; CHECK-NEXT: [[MASKEDPTR:%.*]] = and i64 [[PTRINT]], 63 |
| ; CHECK-NEXT: [[MASKCOND:%.*]] = icmp eq i64 [[MASKEDPTR]], 0 |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[MASKCOND]]) |
| ; CHECK-NEXT: [[PTRINT1:%.*]] = ptrtoint i32* [[B:%.*]] to i64 |
| ; CHECK-NEXT: [[MASKEDPTR2:%.*]] = and i64 [[PTRINT1]], 63 |
| ; CHECK-NEXT: [[MASKCOND3:%.*]] = icmp eq i64 [[MASKEDPTR2]], 0 |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[MASKCOND3]]) |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 64 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], 1 |
| ; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: store i32 [[ADD]], i32* [[ARRAYIDX5]], align 64 |
| ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 16 |
| ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP1]], 1648 |
| ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %ptrint = ptrtoint i32* %a to i64 |
| %maskedptr = and i64 %ptrint, 63 |
| %maskcond = icmp eq i64 %maskedptr, 0 |
| tail call void @llvm.assume(i1 %maskcond) |
| %ptrint1 = ptrtoint i32* %b to i64 |
| %maskedptr2 = and i64 %ptrint1, 63 |
| %maskcond3 = icmp eq i64 %maskedptr2, 0 |
| tail call void @llvm.assume(i1 %maskcond3) |
| br label %for.body |
| |
| |
| for.body: ; preds = %entry, %for.body |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %b, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %add = add nsw i32 %0, 1 |
| %arrayidx5 = getelementptr inbounds i32, i32* %a, i64 %indvars.iv |
| store i32 %add, i32* %arrayidx5, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 16 |
| %1 = trunc i64 %indvars.iv.next to i32 |
| %cmp = icmp slt i32 %1, 1648 |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.assume(i1) #1 |
| |
| attributes #0 = { nounwind uwtable } |
| attributes #1 = { nounwind } |
| |