| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=div-rem-pairs -S -mtriple=riscv64-unknown-unknown | FileCheck %s |
| |
| ; Do not hoist to the common predecessor block since we don't |
| ; have a div-rem operation. |
| |
| define i32 @no_domination(i1 %cmp, i32 %a, i32 %b) { |
| ; CHECK-LABEL: @no_domination( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br i1 [[CMP:%.*]], label [[IF:%.*]], label [[ELSE:%.*]] |
| ; CHECK: if: |
| ; CHECK-NEXT: [[DIV:%.*]] = sdiv i32 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: br label [[END:%.*]] |
| ; CHECK: else: |
| ; CHECK-NEXT: [[REM:%.*]] = srem i32 [[A]], [[B]] |
| ; CHECK-NEXT: br label [[END]] |
| ; CHECK: end: |
| ; CHECK-NEXT: [[RET:%.*]] = phi i32 [ [[DIV]], [[IF]] ], [ [[REM]], [[ELSE]] ] |
| ; CHECK-NEXT: ret i32 [[RET]] |
| ; |
| entry: |
| br i1 %cmp, label %if, label %else |
| |
| if: |
| %div = sdiv i32 %a, %b |
| br label %end |
| |
| else: |
| %rem = srem i32 %a, %b |
| br label %end |
| |
| end: |
| %ret = phi i32 [ %div, %if ], [ %rem, %else ] |
| ret i32 %ret |
| } |