174 lines
5.4 KiB
C
174 lines
5.4 KiB
C
// RUN: %clang_cc1 -Wno-gcc-compat -emit-llvm -o - %s | FileCheck %s
|
|
|
|
void pr8880_cg_1(int *iptr) {
|
|
// CHECK-LABEL: define {{.*}}void @pr8880_cg_1(
|
|
int i, j;
|
|
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
|
|
for (i = 2; i != 10 ; i++ )
|
|
// CHECK: [[OUTER_COND]]
|
|
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_BODY]]
|
|
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
|
|
for (j = 3 ; j < 22; (void)({ ++j; break; j;})) {
|
|
// CHECK: [[INNER_COND]]
|
|
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_BODY]]
|
|
*iptr = 7;
|
|
// CHECK: store i32 7,
|
|
// CHECK: br label %[[INNER_INC:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_INC]]
|
|
|
|
// break in 3rd expression of inner loop causes branch to end of inner loop
|
|
|
|
// CHECK: br label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_END]]
|
|
}
|
|
// CHECK: br label %[[OUTER_INC:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_INC]]
|
|
// CHECK: br label %[[OUTER_COND]]
|
|
// CHECK: [[OUTER_END]]
|
|
// CHECK: ret
|
|
}
|
|
|
|
void pr8880_cg_2(int *iptr) {
|
|
// CHECK-LABEL: define {{.*}}void @pr8880_cg_2(
|
|
int i, j;
|
|
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
|
|
for (i = 2; i != 10 ; i++ )
|
|
// CHECK: [[OUTER_COND]]
|
|
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_BODY]]
|
|
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
|
|
for (j = 3 ; j < 22; (void)({ ++j; continue; j;})) {
|
|
// CHECK: [[INNER_COND]]
|
|
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_BODY]]
|
|
*iptr = 7;
|
|
// CHECK: store i32 7,
|
|
// CHECK: br label %[[INNER_INC:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_INC]]
|
|
|
|
// continue in 3rd expression of inner loop causes branch to inc of inner loop
|
|
|
|
// CHECK: br label %[[INNER_INC]]
|
|
// CHECK: [[INNER_END]]
|
|
}
|
|
// CHECK: br label %[[OUTER_INC:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_INC]]
|
|
// CHECK: br label %[[OUTER_COND]]
|
|
// CHECK: [[OUTER_END]]
|
|
// CHECK: ret
|
|
}
|
|
|
|
void pr8880_cg_3(int *iptr) {
|
|
// CHECK-LABEL: define {{.*}}void @pr8880_cg_3(
|
|
int i, j;
|
|
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
|
|
for (i = 2 ; i != 10 ; i++ )
|
|
// CHECK: [[OUTER_COND]]
|
|
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_BODY]]
|
|
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
|
|
for (j = 3 ; ({break; j;}); j++) {
|
|
|
|
// break in 2nd expression of inner loop causes branch to end of inner loop
|
|
|
|
// CHECK: [[INNER_COND]]
|
|
// CHECK: br label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_BODY]]
|
|
*iptr = 7;
|
|
// CHECK: store i32 7,
|
|
// CHECK: br label %[[INNER_INC:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_INC]]
|
|
// CHECK: br label %[[INNER_COND]]
|
|
}
|
|
// CHECK: [[INNER_END]]
|
|
// CHECK: br label %[[OUTER_INC:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_INC]]
|
|
// CHECK: br label %[[OUTER_COND]]
|
|
// CHECK: [[OUTER_END]]
|
|
// CHECK: ret
|
|
}
|
|
|
|
void pr8880_cg_4(int *iptr) {
|
|
// CHECK-LABEL: define {{.*}}void @pr8880_cg_4(
|
|
int i, j;
|
|
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
|
|
for (i = 2 ; i != 10 ; i++ )
|
|
// CHECK: [[OUTER_COND]]
|
|
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_BODY]]
|
|
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
|
|
for (j = 3 ; ({continue; j;}); j++) {
|
|
|
|
// continue in 2nd expression of inner loop causes branch to inc of inner loop
|
|
|
|
// CHECK: [[INNER_COND]]
|
|
// CHECK: br label %[[INNER_INC:[0-9A-Za-z$._]+]]
|
|
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_BODY]]
|
|
*iptr = 7;
|
|
// CHECK: store i32 7,
|
|
// CHECK: br label %[[INNER_INC]]
|
|
// CHECK: [[INNER_INC]]
|
|
// CHECK: br label %[[INNER_COND]]
|
|
}
|
|
// CHECK: [[INNER_END]]
|
|
// CHECK: br label %[[OUTER_INC:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_INC]]
|
|
// CHECK: br label %[[OUTER_COND]]
|
|
// CHECK: [[OUTER_END]]
|
|
// CHECK: ret
|
|
}
|
|
|
|
void pr8880_cg_5(int x, int *iptr) {
|
|
// CHECK-LABEL: define {{.*}}void @pr8880_cg_5(
|
|
int y = 5;
|
|
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_COND]]
|
|
while(--x) {
|
|
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_BODY]]
|
|
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
|
|
while(({ break; --y; })) {
|
|
// CHECK: [[INNER_COND]]
|
|
// CHECK: br label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_BODY]]
|
|
*iptr = 7;
|
|
// CHECK: store i32 7,
|
|
}
|
|
// CHECK: br label %[[INNER_COND]]
|
|
}
|
|
// CHECK: [[INNER_END]]
|
|
// CHECK: br label %[[OUTER_COND]]
|
|
// CHECK: [[OUTER_END]]
|
|
// CHECK: ret void
|
|
}
|
|
|
|
void pr8880_cg_6(int x, int *iptr) {
|
|
// CHECK-LABEL: define {{.*}}void @pr8880_cg_6(
|
|
int y = 5;
|
|
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_COND]]
|
|
while(--x) {
|
|
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[OUTER_BODY]]
|
|
// CHECK: br label %[[INNER_BODY:[0-9A-Za-z$._]+]]
|
|
// CHECK: [[INNER_BODY]]
|
|
do {
|
|
// CHECK: store i32 7,
|
|
*iptr = 7;
|
|
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
|
|
} while(({ break; --y; }));
|
|
// CHECK: [[INNER_COND]]
|
|
// CHECK: br label %[[INNER_END:[0-9A-Za-z$._]+]]
|
|
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END]]
|
|
}
|
|
// CHECK: [[INNER_END]]
|
|
// CHECK: br label %[[OUTER_COND]]
|
|
// CHECK: [[OUTER_END]]
|
|
// CHECK: ret void
|
|
}
|