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// RUN: %clang_cc1 -triple i386-unknown-unknown -O3 %s -emit-llvm -o - | FileCheck %s
int foo(int i) {
int j = 0;
switch (i) {
case -1:
j = 1; break;
case 1 :
j = 2; break;
case 2:
j = 3; break;
default:
j = 42; break;
}
j = j + 1;
return j;
}
int foo2(int i) {
int j = 0;
switch (i) {
case 1 :
j = 2; break;
case 2 ... 10:
j = 3; break;
default:
j = 42; break;
}
j = j + 1;
return j;
}
int foo3(int i) {
int j = 0;
switch (i) {
default:
j = 42; break;
case 111:
j = 111; break;
case 0 ... 100:
j = 1; break;
case 222:
j = 222; break;
}
return j;
}
static int foo4(int i) {
int j = 0;
switch (i) {
case 111:
j = 111; break;
case 0 ... 100:
j = 1; break;
case 222:
j = 222; break;
default:
j = 42; break;
case 501 ... 600:
j = 5; break;
}
return j;
}
// CHECK: define i32 @foo4t()
// CHECK: ret i32 376
// CHECK: }
int foo4t() {
// 111 + 1 + 222 + 42 = 376
return foo4(111) + foo4(99) + foo4(222) + foo4(601);
}
// CHECK: define void @foo5()
// CHECK-NOT: switch
// CHECK: }
void foo5(){
switch(0){
default:
if (0) {
}
}
}
// CHECK: define void @foo6()
// CHECK-NOT: switch
// CHECK: }
void foo6(){
switch(0){
}
}
// CHECK: define void @foo7()
// CHECK-NOT: switch
// CHECK: }
void foo7(){
switch(0){
foo7();
}
}
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