| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 |
| ; RUN: opt -S -passes=gvn < %s | FileCheck %s |
| |
| ; Make sure deduplicated phi nodes are removed from the VN map. |
| define i64 @f() { |
| ; CHECK-LABEL: define i64 @f() { |
| ; CHECK-NEXT: BB: |
| ; CHECK-NEXT: store i1 false, ptr null, align 1 |
| ; CHECK-NEXT: br label [[BB2D:%.*]] |
| ; CHECK: BB2a: |
| ; CHECK-NEXT: br label [[BB2B:%.*]] |
| ; CHECK: BB2b: |
| ; CHECK-NEXT: [[L93_PRE_PRE:%.*]] = load i1, ptr inttoptr (i64 -1 to ptr), align 1 |
| ; CHECK-NEXT: br label [[BB2C:%.*]] |
| ; CHECK: BB2c: |
| ; CHECK-NEXT: [[L93_PRE:%.*]] = phi i1 [ [[L93_PRE_PRE]], [[BB2B]] ], [ true, [[BB2D]] ] |
| ; CHECK-NEXT: [[AZ2:%.*]] = phi i1 [ true, [[BB2B]] ], [ [[AZ:%.*]], [[BB2D]] ] |
| ; CHECK-NEXT: [[DOTPHI_TRANS_INSERT:%.*]] = sext i1 [[AZ2]] to i64 |
| ; CHECK-NEXT: [[GEP2_PHI_TRANS_INSERT:%.*]] = getelementptr i1, ptr null, i64 [[DOTPHI_TRANS_INSERT]] |
| ; CHECK-NEXT: br label [[BB2D]] |
| ; CHECK: BB2d: |
| ; CHECK-NEXT: [[L93_PRE5:%.*]] = phi i1 [ [[L93_PRE]], [[BB2C]] ], [ false, [[BB:%.*]] ] |
| ; CHECK-NEXT: [[AZ]] = phi i1 [ [[AZ2]], [[BB2C]] ], [ false, [[BB]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = sext i1 [[AZ]] to i64 |
| ; CHECK-NEXT: [[GEP2:%.*]] = getelementptr i1, ptr null, i64 [[TMP0]] |
| ; CHECK-NEXT: store i1 [[AZ]], ptr null, align 2 |
| ; CHECK-NEXT: br i1 [[L93_PRE5]], label [[BB2C]], label [[BB1E:%.*]] |
| ; CHECK: BB1e: |
| ; CHECK-NEXT: br i1 [[AZ]], label [[BB2F:%.*]], label [[BB4:%.*]] |
| ; CHECK: BB2f: |
| ; CHECK-NEXT: store i1 true, ptr null, align 2 |
| ; CHECK-NEXT: br label [[BB2B]] |
| ; CHECK: BB4: |
| ; CHECK-NEXT: br label [[BB4]] |
| ; |
| BB: |
| store i1 false, ptr null, align 1 |
| br label %BB2d |
| |
| BB2a: ; No predecessors! |
| br label %BB2b |
| |
| BB2b: ; preds = %BB2f, %BB2a |
| br label %BB2c |
| |
| BB2c: ; preds = %BB2d, %BB2b |
| %0 = phi i1 [ true, %BB2b ], [ %1, %BB2d ] |
| br label %BB2d |
| |
| BB2d: ; preds = %BB2c, %BB |
| %1 = phi i1 [ %0, %BB2c ], [ false, %BB ] |
| %2 = sext i1 %1 to i64 |
| %gep2 = getelementptr i1, ptr null, i64 %2 |
| %L93 = load i1, ptr %gep2, align 1 |
| %Az = load i1, ptr null, align 2 |
| store i1 %1, ptr null, align 2 |
| br i1 %L93, label %BB2c, label %BB1e |
| |
| BB1e: ; preds = %BB2d |
| br i1 %Az, label %BB2f, label %BB4 |
| |
| BB2f: ; preds = %BB1e |
| store i1 true, ptr null, align 2 |
| br label %BB2b |
| |
| BB4: ; preds = %BB1e, %BB4 |
| br label %BB4 |
| |
| ; uselistorder directives |
| uselistorder label %BB4, { 1, 0 } |
| } |
