| 1 | // RUN: %clang_cc1 -std=c++1z -triple x86_64-apple-macosx10.7.0 -emit-llvm -o - %s -w | FileCheck %s |
|---|
| 2 | |
|---|
| 3 | typedef int T; |
|---|
| 4 | void f() { |
|---|
| 5 | // CHECK: %[[A:.*]] = alloca i32, align 4 |
|---|
| 6 | // CHECK-NEXT: store i32 5, i32* %[[A]], align 4 |
|---|
| 7 | // CHECK-NEXT: %[[B:.*]] = load i32, i32* %[[A]], align 4 |
|---|
| 8 | // CHECK-NEXT: %[[C:.*]] = icmp slt i32 %[[B]], 8 |
|---|
| 9 | if (int a = 5; a < 8) |
|---|
| 10 | ; |
|---|
| 11 | } |
|---|
| 12 | |
|---|
| 13 | void f1() { |
|---|
| 14 | // CHECK: %[[A:.*]] = alloca i32, align 4 |
|---|
| 15 | // CHECK-NEXT: %[[B:.*]] = alloca i32, align 4 |
|---|
| 16 | // CHECK-NEXT: %[[C:.*]] = alloca i32, align 4 |
|---|
| 17 | // CHECK-NEXT: store i32 5, i32* %[[B]], align 4 |
|---|
| 18 | // CHECK-NEXT: store i32 7, i32* %[[C]], align 4 |
|---|
| 19 | if (int a, b = 5; int c = 7) |
|---|
| 20 | ; |
|---|
| 21 | } |
|---|
| 22 | |
|---|
| 23 | int f2() { |
|---|
| 24 | // CHECK: %[[A:.*]] = alloca i32, align 4 |
|---|
| 25 | // CHECK-NEXT: %[[B:.*]] = call i32 @_Z2f2v() |
|---|
| 26 | // CHECK-NEXT: store i32 7, i32* %[[A]], align 4 |
|---|
| 27 | // CHECK-NEXT: %[[C:.*]] = load i32, i32* %[[A]], align 4 |
|---|
| 28 | // CHECK-NEXT: %[[D:.*]] = icmp ne i32 %[[C]], 0 |
|---|
| 29 | if (T{f2()}; int c = 7) |
|---|
| 30 | ; |
|---|
| 31 | return 2; |
|---|
| 32 | } |
|---|
| 33 | |
|---|
| 34 | void g() { |
|---|
| 35 | // CHECK: %[[A:.*]] = alloca i32, align 4 |
|---|
| 36 | // CHECK-NEXT: store i32 5, i32* %[[A]], align 4 |
|---|
| 37 | // CHECK-NEXT: %[[B:.*]] = load i32, i32* %[[A]], align 4 |
|---|
| 38 | // CHECK-NEXT: switch i32 %[[B]], label %[[C:.*]] [ |
|---|
| 39 | switch (int a = 5; a) { |
|---|
| 40 | case 0: |
|---|
| 41 | break; |
|---|
| 42 | } |
|---|
| 43 | } |
|---|
| 44 | |
|---|
| 45 | void g1() { |
|---|
| 46 | // CHECK: %[[A:.*]] = alloca i32, align 4 |
|---|
| 47 | // CHECK-NEXT: %[[B:.*]] = alloca i32, align 4 |
|---|
| 48 | // CHECK-NEXT: %[[C:.*]] = alloca i32, align 4 |
|---|
| 49 | // CHECK-NEXT: store i32 5, i32* %[[B]], align 4 |
|---|
| 50 | // CHECK-NEXT: store i32 7, i32* %[[C]], align 4 |
|---|
| 51 | // CHECK-NEXT: %[[D:.*]] = load i32, i32* %[[C]], align 4 |
|---|
| 52 | // CHECK-NEXT: switch i32 %[[D]], label %[[E:.*]] [ |
|---|
| 53 | switch (int a, b = 5; int c = 7) { |
|---|
| 54 | case 0: |
|---|
| 55 | break; |
|---|
| 56 | } |
|---|
| 57 | } |
|---|
| 58 | |
|---|
| 59 | int g2() { |
|---|
| 60 | // CHECK: %[[A:.*]] = alloca i32, align 4 |
|---|
| 61 | // CHECK-NEXT: %[[B:.*]] = call i32 @_Z2f2v() |
|---|
| 62 | // CHECK-NEXT: store i32 7, i32* %[[A]], align 4 |
|---|
| 63 | // CHECK-NEXT: %[[C:.*]] = load i32, i32* %[[A]], align 4 |
|---|
| 64 | // CHECK-NEXT: switch i32 %[[C]], label %[[E:.*]] [ |
|---|
| 65 | switch (T{f2()}; int c = 7) { |
|---|
| 66 | case 0: |
|---|
| 67 | break; |
|---|
| 68 | } |
|---|
| 69 | return 2; |
|---|
| 70 | } |
|---|
| 71 | |
|---|