| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=indvars -S | FileCheck %s |
| |
| declare void @foo(i16 noundef) |
| |
| ; Function Attrs: mustprogress noreturn uwtable |
| define void @bar(i64 noundef %ptr) { |
| ; CHECK-LABEL: @bar( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[PTR:%.*]] to i4 |
| ; CHECK-NEXT: [[TMP1:%.*]] = zext i4 [[TMP0]] to i16 |
| ; CHECK-NEXT: br label [[WHILE_BODY:%.*]] |
| ; CHECK: while.body: |
| ; CHECK-NEXT: tail call void @foo(i16 noundef signext [[TMP1]]) |
| ; CHECK-NEXT: br label [[WHILE_BODY]] |
| ; |
| entry: |
| br label %while.body |
| |
| while.body: ; preds = %entry, %while.body |
| %0 = phi i64 [ %ptr, %entry ], [ %add.ptr, %while.body ] |
| %1 = trunc i64 %0 to i16 |
| %and = and i16 %1, 15 ; loop invariant |
| tail call void @foo(i16 noundef signext %and) |
| %add.ptr = add nsw i64 %0, 16 |
| br label %while.body |
| } |
| |
