| ; RUN: opt -function-specialization -func-specialization-size-threshold=3 -S < %s | FileCheck %s |
| |
| define i64 @main(i64 %x, i1 %flag) { |
| ; |
| ; CHECK-LABEL: @main(i64 %x, i1 %flag) { |
| ; CHECK: entry: |
| ; CHECK-NEXT: br i1 %flag, label %plus, label %minus |
| ; CHECK: plus: |
| ; CHECK-NEXT: [[TMP0:%.+]] = call i64 @compute.1(i64 %x, i64 (i64)* @plus) |
| ; CHECK-NEXT: br label %merge |
| ; CHECK: minus: |
| ; CHECK-NEXT: [[TMP1:%.+]] = call i64 @compute.2(i64 %x, i64 (i64)* @minus) |
| ; CHECK-NEXT: br label %merge |
| ; CHECK: merge: |
| ; CHECK-NEXT: [[TMP2:%.+]] = phi i64 [ [[TMP0]], %plus ], [ [[TMP1]], %minus ] |
| ; CHECK-NEXT: ret i64 [[TMP2]] |
| ; CHECK-NEXT: } |
| ; |
| entry: |
| br i1 %flag, label %plus, label %minus |
| |
| plus: |
| %tmp0 = call i64 @compute(i64 %x, i64 (i64)* @plus) |
| br label %merge |
| |
| minus: |
| %tmp1 = call i64 @compute(i64 %x, i64 (i64)* @minus) |
| br label %merge |
| |
| merge: |
| %tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus] |
| ret i64 %tmp2 |
| } |
| |
| ; CHECK-LABEL: define internal i64 @compute.1(i64 %x, i64 (i64)* %binop) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.+]] = call i64 @plus(i64 %x) |
| ; CHECK-NEXT: ret i64 [[TMP0]] |
| ; CHECK-NEXT: } |
| ; |
| ; CHECK-LABEL: define internal i64 @compute.2(i64 %x, i64 (i64)* %binop) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.+]] = call i64 @minus(i64 %x) |
| ; CHECK-NEXT: ret i64 [[TMP0]] |
| ; CHECK-NEXT: } |
| ; |
| define internal i64 @compute(i64 %x, i64 (i64)* %binop) { |
| entry: |
| %tmp0 = call i64 %binop(i64 %x) |
| ret i64 %tmp0 |
| } |
| |
| define internal i64 @plus(i64 %x) { |
| entry: |
| %tmp0 = add i64 %x, 1 |
| ret i64 %tmp0 |
| } |
| |
| define internal i64 @minus(i64 %x) { |
| entry: |
| %tmp0 = sub i64 %x, 1 |
| ret i64 %tmp0 |
| } |