| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -indvars -adce -simplifycfg -S | FileCheck %s |
| ; PR1598 |
| |
| define i32 @f(i32 %a, i32 %b, i32 %x, i32 %y) { |
| ; CHECK-LABEL: @f( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[X:%.*]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[Y:%.*]], i32 [[TMP0]]) |
| ; CHECK-NEXT: [[X_ADDR_1:%.*]] = select i1 [[TMP3]], i32 [[X]], i32 [[SMAX]] |
| ; CHECK-NEXT: ret i32 [[X_ADDR_1]] |
| ; |
| entry: |
| %tmp3 = icmp eq i32 %a, %b ; <i1> [#uses=1] |
| br i1 %tmp3, label %return, label %bb |
| |
| bb: ; preds = %bb, %entry |
| %x_addr.0 = phi i32 [ %tmp6, %bb ], [ %x, %entry ] ; <i32> [#uses=1] |
| %tmp6 = add i32 %x_addr.0, 1 ; <i32> [#uses=3] |
| %tmp9 = icmp slt i32 %tmp6, %y ; <i1> [#uses=1] |
| br i1 %tmp9, label %bb, label %return |
| |
| return: ; preds = %bb, %entry |
| %x_addr.1 = phi i32 [ %x, %entry ], [ %tmp6, %bb ] ; <i32> [#uses=1] |
| ret i32 %x_addr.1 |
| } |
