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// RUN: %clang_cc1 -std=c++1z -triple x86_64-apple-macosx10.7.0 -emit-llvm -o - %s -w | FileCheck %s
typedef int T;
void f() {
// CHECK: %[[A:.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 5, ptr %[[A]], align 4
// CHECK-NEXT: %[[B:.*]] = load i32, ptr %[[A]], align 4
// CHECK-NEXT: %[[C:.*]] = icmp slt i32 %[[B]], 8
if (int a = 5; a < 8)
;
}
void f1() {
// CHECK: %[[A:.*]] = alloca i32, align 4
// CHECK-NEXT: %[[B:.*]] = alloca i32, align 4
// CHECK-NEXT: %[[C:.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 5, ptr %[[B]], align 4
// CHECK-NEXT: store i32 7, ptr %[[C]], align 4
if (int a, b = 5; int c = 7)
;
}
int f2() {
// CHECK: %[[A:.*]] = alloca i32, align 4
// CHECK-NEXT: %[[B:.*]] = call noundef i32 @_Z2f2v()
// CHECK-NEXT: store i32 7, ptr %[[A]], align 4
// CHECK-NEXT: %[[C:.*]] = load i32, ptr %[[A]], align 4
// CHECK-NEXT: %[[D:.*]] = icmp ne i32 %[[C]], 0
if (T{f2()}; int c = 7)
;
return 2;
}
void g() {
// CHECK: %[[A:.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 5, ptr %[[A]], align 4
// CHECK-NEXT: %[[B:.*]] = load i32, ptr %[[A]], align 4
// CHECK-NEXT: switch i32 %[[B]], label %[[C:.*]] [
switch (int a = 5; a) {
case 0:
break;
}
}
void g1() {
// CHECK: %[[A:.*]] = alloca i32, align 4
// CHECK-NEXT: %[[B:.*]] = alloca i32, align 4
// CHECK-NEXT: %[[C:.*]] = alloca i32, align 4
// CHECK-NEXT: store i32 5, ptr %[[B]], align 4
// CHECK-NEXT: store i32 7, ptr %[[C]], align 4
// CHECK-NEXT: %[[D:.*]] = load i32, ptr %[[C]], align 4
// CHECK-NEXT: switch i32 %[[D]], label %[[E:.*]] [
switch (int a, b = 5; int c = 7) {
case 0:
break;
}
}
int g2() {
// CHECK: %[[A:.*]] = alloca i32, align 4
// CHECK-NEXT: %[[B:.*]] = call noundef i32 @_Z2f2v()
// CHECK-NEXT: store i32 7, ptr %[[A]], align 4
// CHECK-NEXT: %[[C:.*]] = load i32, ptr %[[A]], align 4
// CHECK-NEXT: switch i32 %[[C]], label %[[E:.*]] [
switch (T{f2()}; int c = 7) {
case 0:
break;
}
return 2;
}
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