Sjoerd Meijer | a1e8b75 | 2021-09-08 11:24:58 +0100 | [diff] [blame] | 1 | ; RUN: opt -function-specialization -func-specialization-size-threshold=3 -S < %s | FileCheck %s |
Sjoerd Meijer | c4a0969 | 2021-05-04 15:12:44 +0100 | [diff] [blame] | 2 | |
Sjoerd Meijer | c4a0969 | 2021-05-04 15:12:44 +0100 | [diff] [blame] | 3 | define i64 @main(i64 %x, i1 %flag) { |
Sjoerd Meijer | a1e8b75 | 2021-09-08 11:24:58 +0100 | [diff] [blame] | 4 | ; |
| 5 | ; CHECK-LABEL: @main(i64 %x, i1 %flag) { |
| 6 | ; CHECK: entry: |
| 7 | ; CHECK-NEXT: br i1 %flag, label %plus, label %minus |
| 8 | ; CHECK: plus: |
| 9 | ; CHECK-NEXT: [[TMP0:%.+]] = call i64 @compute.1(i64 %x, i64 (i64)* @plus) |
| 10 | ; CHECK-NEXT: br label %merge |
| 11 | ; CHECK: minus: |
| 12 | ; CHECK-NEXT: [[TMP1:%.+]] = call i64 @compute.2(i64 %x, i64 (i64)* @minus) |
| 13 | ; CHECK-NEXT: br label %merge |
| 14 | ; CHECK: merge: |
| 15 | ; CHECK-NEXT: [[TMP2:%.+]] = phi i64 [ [[TMP0]], %plus ], [ [[TMP1]], %minus ] |
| 16 | ; CHECK-NEXT: ret i64 [[TMP2]] |
| 17 | ; CHECK-NEXT: } |
| 18 | ; |
Sjoerd Meijer | c4a0969 | 2021-05-04 15:12:44 +0100 | [diff] [blame] | 19 | entry: |
| 20 | br i1 %flag, label %plus, label %minus |
| 21 | |
| 22 | plus: |
| 23 | %tmp0 = call i64 @compute(i64 %x, i64 (i64)* @plus) |
| 24 | br label %merge |
| 25 | |
| 26 | minus: |
| 27 | %tmp1 = call i64 @compute(i64 %x, i64 (i64)* @minus) |
| 28 | br label %merge |
| 29 | |
| 30 | merge: |
| 31 | %tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus] |
| 32 | ret i64 %tmp2 |
| 33 | } |
| 34 | |
Sjoerd Meijer | a1e8b75 | 2021-09-08 11:24:58 +0100 | [diff] [blame] | 35 | ; CHECK-LABEL: define internal i64 @compute.1(i64 %x, i64 (i64)* %binop) { |
| 36 | ; CHECK-NEXT: entry: |
| 37 | ; CHECK-NEXT: [[TMP0:%.+]] = call i64 @plus(i64 %x) |
| 38 | ; CHECK-NEXT: ret i64 [[TMP0]] |
| 39 | ; CHECK-NEXT: } |
| 40 | ; |
| 41 | ; CHECK-LABEL: define internal i64 @compute.2(i64 %x, i64 (i64)* %binop) { |
| 42 | ; CHECK-NEXT: entry: |
| 43 | ; CHECK-NEXT: [[TMP0:%.+]] = call i64 @minus(i64 %x) |
| 44 | ; CHECK-NEXT: ret i64 [[TMP0]] |
| 45 | ; CHECK-NEXT: } |
| 46 | ; |
Sjoerd Meijer | c4a0969 | 2021-05-04 15:12:44 +0100 | [diff] [blame] | 47 | define internal i64 @compute(i64 %x, i64 (i64)* %binop) { |
| 48 | entry: |
| 49 | %tmp0 = call i64 %binop(i64 %x) |
| 50 | ret i64 %tmp0 |
| 51 | } |
| 52 | |
| 53 | define internal i64 @plus(i64 %x) { |
| 54 | entry: |
| 55 | %tmp0 = add i64 %x, 1 |
| 56 | ret i64 %tmp0 |
| 57 | } |
| 58 | |
| 59 | define internal i64 @minus(i64 %x) { |
| 60 | entry: |
| 61 | %tmp0 = sub i64 %x, 1 |
| 62 | ret i64 %tmp0 |
| 63 | } |