|  | // Test instrumentation of general constructs in C. | 
|  |  | 
|  | // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-general.c %s -o - -emit-llvm -fprofile-instrument=clang | FileCheck -allow-deprecated-dag-overlap  -check-prefix=PGOGEN %s | 
|  |  | 
|  | // RUN: llvm-profdata merge %S/Inputs/c-general.proftext -o %t.profdata | 
|  | // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-general.c %s -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata | FileCheck -allow-deprecated-dag-overlap  -check-prefix=PGOUSE %s | 
|  | // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-general.c %s -o - -emit-llvm -fprofile-instrument-use-path=%S/Inputs/c-general.profdata.v3 | FileCheck -allow-deprecated-dag-overlap  -check-prefix=PGOUSE %s | 
|  | // Also check compatibility with older profiles. | 
|  | // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-general.c %s -o - -emit-llvm -fprofile-instrument-use-path=%S/Inputs/c-general.profdata.v1 | FileCheck -allow-deprecated-dag-overlap  -check-prefix=PGOUSE %s | 
|  |  | 
|  | // PGOGEN: @[[SLC:__profc_simple_loops]] = private global [4 x i64] zeroinitializer | 
|  | // PGOGEN: @[[IFC:__profc_conditionals]] = private global [11 x i64] zeroinitializer | 
|  | // PGOGEN: @[[EEC:__profc_early_exits]] = private global [9 x i64] zeroinitializer | 
|  | // PGOGEN: @[[JMC:__profc_jumps]] = private global [22 x i64] zeroinitializer | 
|  | // PGOGEN: @[[SWC:__profc_switches]] = private global [19 x i64] zeroinitializer | 
|  | // PGOGEN: @[[BSC:__profc_big_switch]] = private global [17 x i64] zeroinitializer | 
|  | // PGOGEN: @[[BOC:__profc_boolean_operators]] = private global [8 x i64] zeroinitializer | 
|  | // PGOGEN: @[[BLC:__profc_boolop_loops]] = private global [9 x i64] zeroinitializer | 
|  | // PGOGEN: @[[COC:__profc_conditional_operator]] = private global [3 x i64] zeroinitializer | 
|  | // PGOGEN: @[[DFC:__profc_do_fallthrough]] = private global [4 x i64] zeroinitializer | 
|  | // PGOGEN: @[[MAC:__profc_main]] = private global [1 x i64] zeroinitializer | 
|  | // PGOGEN: @[[STC:__profc_c_general.c_static_func]] = private global [2 x i64] zeroinitializer | 
|  |  | 
|  | // PGOGEN-LABEL: @simple_loops() | 
|  | // PGOUSE-LABEL: @simple_loops() | 
|  | // PGOGEN: store {{.*}} @[[SLC]], i64 0, i64 0 | 
|  | void simple_loops() { | 
|  | int i; | 
|  | // PGOGEN: store {{.*}} @[[SLC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[SL1:[0-9]+]] | 
|  | for (i = 0; i < 100; ++i) { | 
|  | } | 
|  | // PGOGEN: store {{.*}} @[[SLC]], i64 0, i64 2 | 
|  | // PGOUSE: br {{.*}} !prof ![[SL2:[0-9]+]] | 
|  | while (i > 0) | 
|  | i--; | 
|  | // PGOGEN: store {{.*}} @[[SLC]], i64 0, i64 3 | 
|  | // PGOUSE: br {{.*}} !prof ![[SL3:[0-9]+]] | 
|  | do {} while (i++ < 75); | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[SLC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @conditionals() | 
|  | // PGOUSE-LABEL: @conditionals() | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 0 | 
|  | void conditionals() { | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[IF1:[0-9]+]] | 
|  | for (int i = 0; i < 100; ++i) { | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 2 | 
|  | // PGOUSE: br {{.*}} !prof ![[IF2:[0-9]+]] | 
|  | if (i % 2) { | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 3 | 
|  | // PGOUSE: br {{.*}} !prof ![[IF3:[0-9]+]] | 
|  | if (i) {} | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 4 | 
|  | // PGOUSE: br {{.*}} !prof ![[IF4:[0-9]+]] | 
|  | } else if (i % 3) { | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 5 | 
|  | // PGOUSE: br {{.*}} !prof ![[IF5:[0-9]+]] | 
|  | if (i) {} | 
|  | } else { | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 6 | 
|  | // PGOUSE: br {{.*}} !prof ![[IF6:[0-9]+]] | 
|  | if (i) {} | 
|  | } | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 8 | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 7 | 
|  | // PGOUSE: br {{.*}} !prof ![[IF7:[0-9]+]] | 
|  | if (1 && i) {} | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 10 | 
|  | // PGOGEN: store {{.*}} @[[IFC]], i64 0, i64 9 | 
|  | // PGOUSE: br {{.*}} !prof ![[IF8:[0-9]+]] | 
|  | if (0 || i) {} | 
|  | } | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[IFC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @early_exits() | 
|  | // PGOUSE-LABEL: @early_exits() | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 0 | 
|  | void early_exits() { | 
|  | int i = 0; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[EE1:[0-9]+]] | 
|  | if (i) {} | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 2 | 
|  | // PGOUSE: br {{.*}} !prof ![[EE2:[0-9]+]] | 
|  | while (i < 100) { | 
|  | i++; | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 3 | 
|  | // PGOUSE: br {{.*}} !prof ![[EE3:[0-9]+]] | 
|  | if (i > 50) | 
|  | break; | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 4 | 
|  | // PGOUSE: br {{.*}} !prof ![[EE4:[0-9]+]] | 
|  | if (i % 2) | 
|  | continue; | 
|  | } | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 5 | 
|  | // PGOUSE: br {{.*}} !prof ![[EE5:[0-9]+]] | 
|  | if (i) {} | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 6 | 
|  | do { | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 7 | 
|  | // PGOUSE: br {{.*}} !prof ![[EE6:[0-9]+]] | 
|  | if (i > 75) | 
|  | return; | 
|  | else | 
|  | i++; | 
|  | // PGOUSE: br {{.*}} !prof ![[EE7:[0-9]+]] | 
|  | } while (i < 100); | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[EEC]], i64 0, i64 8 | 
|  | // Never reached -> no weights | 
|  | if (i) {} | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[EEC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @jumps() | 
|  | // PGOUSE-LABEL: @jumps() | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 0 | 
|  | void jumps() { | 
|  | int i; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[JM1:[0-9]+]] | 
|  | for (i = 0; i < 2; ++i) { | 
|  | goto outofloop; | 
|  | // Never reached -> no weights | 
|  | if (i) {} | 
|  | } | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 3 | 
|  | outofloop: | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 4 | 
|  | // PGOUSE: br {{.*}} !prof ![[JM2:[0-9]+]] | 
|  | if (i) {} | 
|  |  | 
|  | goto loop1; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 5 | 
|  | // PGOUSE: br {{.*}} !prof ![[JM3:[0-9]+]] | 
|  | while (i) { | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 6 | 
|  | loop1: | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 7 | 
|  | // PGOUSE: br {{.*}} !prof ![[JM4:[0-9]+]] | 
|  | if (i) {} | 
|  | } | 
|  |  | 
|  | goto loop2; | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 8 | 
|  | first: | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 9 | 
|  | second: | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 10 | 
|  | third: | 
|  | i++; | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 11 | 
|  | // PGOUSE: br {{.*}} !prof ![[JM5:[0-9]+]] | 
|  | if (i < 3) | 
|  | goto loop2; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 12 | 
|  | // PGOUSE: br {{.*}} !prof ![[JM6:[0-9]+]] | 
|  | while (i < 3) { | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 13 | 
|  | loop2: | 
|  | // PGOUSE: switch {{.*}} [ | 
|  | // PGOUSE: ], !prof ![[JM7:[0-9]+]] | 
|  | switch (i) { | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 15 | 
|  | case 0: | 
|  | goto first; | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 16 | 
|  | case 1: | 
|  | goto second; | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 17 | 
|  | case 2: | 
|  | goto third; | 
|  | } | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 14 | 
|  | } | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 18 | 
|  | // PGOUSE: br {{.*}} !prof ![[JM8:[0-9]+]] | 
|  | for (i = 0; i < 10; ++i) { | 
|  | goto withinloop; | 
|  | // never reached -> no weights | 
|  | if (i) {} | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 20 | 
|  | withinloop: | 
|  | // PGOGEN: store {{.*}} @[[JMC]], i64 0, i64 21 | 
|  | // PGOUSE: br {{.*}} !prof ![[JM9:[0-9]+]] | 
|  | if (i) {} | 
|  | } | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[JMC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @switches() | 
|  | // PGOUSE-LABEL: @switches() | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 0 | 
|  | void switches() { | 
|  | static int weights[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5}; | 
|  |  | 
|  | // No cases -> no weights | 
|  | switch (weights[0]) { | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 2 | 
|  | default: | 
|  | break; | 
|  | } | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 1 | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 3 | 
|  | // PGOUSE: br {{.*}} !prof ![[SW1:[0-9]+]] | 
|  | for (int i = 0, len = sizeof(weights) / sizeof(weights[0]); i < len; ++i) { | 
|  | // PGOUSE: switch {{.*}} [ | 
|  | // PGOUSE: ], !prof ![[SW2:[0-9]+]] | 
|  | switch (i[weights]) { | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 5 | 
|  | case 1: | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 6 | 
|  | // PGOUSE: br {{.*}} !prof ![[SW3:[0-9]+]] | 
|  | if (i) {} | 
|  | // fallthrough | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 7 | 
|  | case 2: | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 8 | 
|  | // PGOUSE: br {{.*}} !prof ![[SW4:[0-9]+]] | 
|  | if (i) {} | 
|  | break; | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 9 | 
|  | case 3: | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 10 | 
|  | // PGOUSE: br {{.*}} !prof ![[SW5:[0-9]+]] | 
|  | if (i) {} | 
|  | continue; | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 11 | 
|  | case 4: | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 12 | 
|  | // PGOUSE: br {{.*}} !prof ![[SW6:[0-9]+]] | 
|  | if (i) {} | 
|  | // PGOUSE: switch {{.*}} [ | 
|  | // PGOUSE: ], !prof ![[SW7:[0-9]+]] | 
|  | switch (i) { | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 14 | 
|  | case 6 ... 9: | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 15 | 
|  | // PGOUSE: br {{.*}} !prof ![[SW8:[0-9]+]] | 
|  | if (i) {} | 
|  | continue; | 
|  | } | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 13 | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 16 | 
|  | default: | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 17 | 
|  | // PGOUSE: br {{.*}} !prof ![[SW9:[0-9]+]] | 
|  | if (i == len - 1) | 
|  | return; | 
|  | } | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 4 | 
|  | } | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[SWC]], i64 0, i64 18 | 
|  | // Never reached -> no weights | 
|  | if (weights[0]) {} | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[SWC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @big_switch() | 
|  | // PGOUSE-LABEL: @big_switch() | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 0 | 
|  | void big_switch() { | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[BS1:[0-9]+]] | 
|  | for (int i = 0; i < 32; ++i) { | 
|  | // PGOUSE: switch {{.*}} [ | 
|  | // PGOUSE: ], !prof ![[BS2:[0-9]+]] | 
|  | switch (1 << i) { | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 3 | 
|  | case (1 << 0): | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 4 | 
|  | // PGOUSE: br {{.*}} !prof ![[BS3:[0-9]+]] | 
|  | if (i) {} | 
|  | // fallthrough | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 5 | 
|  | case (1 << 1): | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 6 | 
|  | // PGOUSE: br {{.*}} !prof ![[BS4:[0-9]+]] | 
|  | if (i) {} | 
|  | break; | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 7 | 
|  | case (1 << 2) ... (1 << 12): | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 8 | 
|  | // PGOUSE: br {{.*}} !prof ![[BS5:[0-9]+]] | 
|  | if (i) {} | 
|  | break; | 
|  | // The branch for the large case range above appears after the case body | 
|  | // PGOUSE: br {{.*}} !prof ![[BS6:[0-9]+]] | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 9 | 
|  | case (1 << 13): | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 10 | 
|  | // PGOUSE: br {{.*}} !prof ![[BS7:[0-9]+]] | 
|  | if (i) {} | 
|  | break; | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 11 | 
|  | case (1 << 14) ... (1 << 28): | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 12 | 
|  | // PGOUSE: br {{.*}} !prof ![[BS8:[0-9]+]] | 
|  | if (i) {} | 
|  | break; | 
|  | // The branch for the large case range above appears after the case body | 
|  | // PGOUSE: br {{.*}} !prof ![[BS9:[0-9]+]] | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 13 | 
|  | case (1 << 29) ... ((1 << 29) + 1): | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 14 | 
|  | // PGOUSE: br {{.*}} !prof ![[BS10:[0-9]+]] | 
|  | if (i) {} | 
|  | break; | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 15 | 
|  | default: | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 16 | 
|  | // PGOUSE: br {{.*}} !prof ![[BS11:[0-9]+]] | 
|  | if (i) {} | 
|  | break; | 
|  | } | 
|  | // PGOGEN: store {{.*}} @[[BSC]], i64 0, i64 2 | 
|  | } | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[BSC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | // PGOUSE: ret void | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @boolean_operators() | 
|  | // PGOUSE-LABEL: @boolean_operators() | 
|  | // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 0 | 
|  | void boolean_operators() { | 
|  | int v; | 
|  | // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[BO1:[0-9]+]] | 
|  | for (int i = 0; i < 100; ++i) { | 
|  | // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 2 | 
|  | // PGOUSE: br {{.*}} !prof ![[BO2:[0-9]+]] | 
|  | v = i % 3 || i; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 3 | 
|  | // PGOUSE: br {{.*}} !prof ![[BO3:[0-9]+]] | 
|  | v = i % 3 && i; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 5 | 
|  | // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 4 | 
|  | // PGOUSE: br {{.*}} !prof ![[BO4:[0-9]+]] | 
|  | // PGOUSE: br {{.*}} !prof ![[BO5:[0-9]+]] | 
|  | v = i % 3 || i % 2 || i; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 7 | 
|  | // PGOGEN: store {{.*}} @[[BOC]], i64 0, i64 6 | 
|  | // PGOUSE: br {{.*}} !prof ![[BO6:[0-9]+]] | 
|  | // PGOUSE: br {{.*}} !prof ![[BO7:[0-9]+]] | 
|  | v = i % 2 && i % 3 && i; | 
|  | } | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[BOC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @boolop_loops() | 
|  | // PGOUSE-LABEL: @boolop_loops() | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 0 | 
|  | void boolop_loops() { | 
|  | int i = 100; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 2 | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[BL1:[0-9]+]] | 
|  | // PGOUSE: br {{.*}} !prof ![[BL2:[0-9]+]] | 
|  | while (i && i > 50) | 
|  | i--; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 4 | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 3 | 
|  | // PGOUSE: br {{.*}} !prof ![[BL3:[0-9]+]] | 
|  | // PGOUSE: br {{.*}} !prof ![[BL4:[0-9]+]] | 
|  | while ((i % 2) || (i > 0)) | 
|  | i--; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 6 | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 5 | 
|  | // PGOUSE: br {{.*}} !prof ![[BL5:[0-9]+]] | 
|  | // PGOUSE: br {{.*}} !prof ![[BL6:[0-9]+]] | 
|  | for (i = 100; i && i > 50; --i); | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 8 | 
|  | // PGOGEN: store {{.*}} @[[BLC]], i64 0, i64 7 | 
|  | // PGOUSE: br {{.*}} !prof ![[BL7:[0-9]+]] | 
|  | // PGOUSE: br {{.*}} !prof ![[BL8:[0-9]+]] | 
|  | for (; (i % 2) || (i > 0); --i); | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[BLC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @conditional_operator() | 
|  | // PGOUSE-LABEL: @conditional_operator() | 
|  | // PGOGEN: store {{.*}} @[[COC]], i64 0, i64 0 | 
|  | void conditional_operator() { | 
|  | int i = 100; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[COC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[CO1:[0-9]+]] | 
|  | int j = i < 50 ? i : 1; | 
|  |  | 
|  | // PGOGEN: store {{.*}} @[[COC]], i64 0, i64 2 | 
|  | // PGOUSE: br {{.*}} !prof ![[CO2:[0-9]+]] | 
|  | int k = i ?: 0; | 
|  |  | 
|  | // PGOGEN-NOT: store {{.*}} @[[COC]], | 
|  | // PGOUSE-NOT: br {{.*}} !prof ![0-9]+ | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @do_fallthrough() | 
|  | // PGOUSE-LABEL: @do_fallthrough() | 
|  | // PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 0 | 
|  | void do_fallthrough() { | 
|  | // PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[DF1:[0-9]+]] | 
|  | for (int i = 0; i < 10; ++i) { | 
|  | int j = 0; | 
|  | // PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 2 | 
|  | do { | 
|  | // The number of exits out of this do-loop via the break statement | 
|  | // exceeds the counter value for the loop (which does not include the | 
|  | // fallthrough count). Make sure that does not violate any assertions. | 
|  | // PGOGEN: store {{.*}} @[[DFC]], i64 0, i64 3 | 
|  | // PGOUSE: br {{.*}} !prof ![[DF3:[0-9]+]] | 
|  | if (i < 8) break; | 
|  | j++; | 
|  | // PGOUSE: br {{.*}} !prof ![[DF2:[0-9]+]] | 
|  | } while (j < 2); | 
|  | } | 
|  | } | 
|  |  | 
|  | // PGOGEN-LABEL: @static_func() | 
|  | // PGOUSE-LABEL: @static_func() | 
|  | // PGOGEN: store {{.*}} @[[STC]], i64 0, i64 0 | 
|  | static void static_func() { | 
|  | // PGOGEN: store {{.*}} @[[STC]], i64 0, i64 1 | 
|  | // PGOUSE: br {{.*}} !prof ![[ST1:[0-9]+]] | 
|  | for (int i = 0; i < 10; ++i) { | 
|  | } | 
|  | } | 
|  |  | 
|  | // PGOUSE-DAG: ![[SL1]] = !{!"branch_weights", i32 101, i32 2} | 
|  | // PGOUSE-DAG: ![[SL2]] = !{!"branch_weights", i32 101, i32 2} | 
|  | // PGOUSE-DAG: ![[SL3]] = !{!"branch_weights", i32 76, i32 2} | 
|  |  | 
|  | // PGOUSE-DAG: ![[EE1]] = !{!"branch_weights", i32 1, i32 2} | 
|  | // PGOUSE-DAG: ![[EE2]] = !{!"branch_weights", i32 52, i32 1} | 
|  | // PGOUSE-DAG: ![[EE3]] = !{!"branch_weights", i32 2, i32 51} | 
|  | // PGOUSE-DAG: ![[EE4]] = !{!"branch_weights", i32 26, i32 26} | 
|  | // PGOUSE-DAG: ![[EE5]] = !{!"branch_weights", i32 2, i32 1} | 
|  | // PGOUSE-DAG: ![[EE6]] = !{!"branch_weights", i32 2, i32 26} | 
|  | // PGOUSE-DAG: ![[EE7]] = !{!"branch_weights", i32 26, i32 1} | 
|  |  | 
|  | // PGOUSE-DAG: ![[IF1]] = !{!"branch_weights", i32 101, i32 2} | 
|  | // PGOUSE-DAG: ![[IF2]] = !{!"branch_weights", i32 51, i32 51} | 
|  | // PGOUSE-DAG: ![[IF3]] = !{!"branch_weights", i32 51, i32 1} | 
|  | // PGOUSE-DAG: ![[IF4]] = !{!"branch_weights", i32 34, i32 18} | 
|  | // PGOUSE-DAG: ![[IF5]] = !{!"branch_weights", i32 34, i32 1} | 
|  | // PGOUSE-DAG: ![[IF6]] = !{!"branch_weights", i32 17, i32 2} | 
|  | // PGOUSE-DAG: ![[IF7]] = !{!"branch_weights", i32 100, i32 2} | 
|  | // PGOUSE-DAG: ![[IF8]] = !{!"branch_weights", i32 100, i32 2} | 
|  |  | 
|  | // PGOUSE-DAG: ![[JM1]] = !{!"branch_weights", i32 2, i32 1} | 
|  | // PGOUSE-DAG: ![[JM2]] = !{!"branch_weights", i32 1, i32 2} | 
|  | // PGOUSE-DAG: ![[JM3]] = !{!"branch_weights", i32 1, i32 2} | 
|  | // PGOUSE-DAG: ![[JM4]] = !{!"branch_weights", i32 1, i32 2} | 
|  | // PGOUSE-DAG: ![[JM5]] = !{!"branch_weights", i32 3, i32 2} | 
|  | // PGOUSE-DAG: ![[JM6]] = !{!"branch_weights", i32 1, i32 2} | 
|  | // PGOUSE-DAG: ![[JM7]] = !{!"branch_weights", i32 1, i32 2, i32 2, i32 2} | 
|  | // PGOUSE-DAG: ![[JM8]] = !{!"branch_weights", i32 11, i32 2} | 
|  | // PGOUSE-DAG: ![[JM9]] = !{!"branch_weights", i32 10, i32 2} | 
|  |  | 
|  | // PGOUSE-DAG: ![[SW1]] = !{!"branch_weights", i32 16, i32 1} | 
|  | // PGOUSE-DAG: ![[SW2]] = !{!"branch_weights", i32 6, i32 2, i32 3, i32 4, i32 5} | 
|  | // PGOUSE-DAG: ![[SW3]] = !{!"branch_weights", i32 1, i32 2} | 
|  | // PGOUSE-DAG: ![[SW4]] = !{!"branch_weights", i32 3, i32 2} | 
|  | // PGOUSE-DAG: ![[SW5]] = !{!"branch_weights", i32 4, i32 1} | 
|  | // PGOUSE-DAG: ![[SW6]] = !{!"branch_weights", i32 5, i32 1} | 
|  | // PGOUSE-DAG: ![[SW7]] = !{!"branch_weights", i32 1, i32 2, i32 2, i32 2, i32 2} | 
|  | // PGOUSE-DAG: ![[SW8]] = !{!"branch_weights", i32 5, i32 1} | 
|  | // PGOUSE-DAG: ![[SW9]] = !{!"branch_weights", i32 2, i32 5} | 
|  |  | 
|  | // PGOUSE-DAG: ![[BS1]] = !{!"branch_weights", i32 33, i32 2} | 
|  | // PGOUSE-DAG: ![[BS2]] = !{!"branch_weights", i32 29, i32 2, i32 2, i32 2, i32 2, i32 1} | 
|  | // PGOUSE-DAG: ![[BS3]] = !{!"branch_weights", i32 1, i32 2} | 
|  | // PGOUSE-DAG: ![[BS4]] = !{!"branch_weights", i32 2, i32 2} | 
|  | // PGOUSE-DAG: ![[BS5]] = !{!"branch_weights", i32 12, i32 1} | 
|  | // PGOUSE-DAG: ![[BS6]] = !{!"branch_weights", i32 12, i32 3} | 
|  | // PGOUSE-DAG: ![[BS7]] = !{!"branch_weights", i32 2, i32 1} | 
|  | // PGOUSE-DAG: ![[BS8]] = !{!"branch_weights", i32 16, i32 1} | 
|  | // PGOUSE-DAG: ![[BS9]] = !{!"branch_weights", i32 16, i32 14} | 
|  | // PGOUSE-DAG: ![[BS10]] = !{!"branch_weights", i32 2, i32 1} | 
|  | // PGOUSE-DAG: ![[BS11]] = !{!"branch_weights", i32 3, i32 1} | 
|  |  | 
|  | // PGOUSE-DAG: ![[BO1]] = !{!"branch_weights", i32 101, i32 2} | 
|  | // PGOUSE-DAG: ![[BO2]] = !{!"branch_weights", i32 67, i32 35} | 
|  | // PGOUSE-DAG: ![[BO3]] = !{!"branch_weights", i32 67, i32 35} | 
|  | // PGOUSE-DAG: ![[BO4]] = !{!"branch_weights", i32 67, i32 35} | 
|  | // PGOUSE-DAG: ![[BO5]] = !{!"branch_weights", i32 18, i32 18} | 
|  | // PGOUSE-DAG: ![[BO6]] = !{!"branch_weights", i32 51, i32 51} | 
|  | // PGOUSE-DAG: ![[BO7]] = !{!"branch_weights", i32 34, i32 18} | 
|  | // PGOUSE-DAG: ![[BL1]] = !{!"branch_weights", i32 52, i32 1} | 
|  | // PGOUSE-DAG: ![[BL2]] = !{!"branch_weights", i32 51, i32 2} | 
|  | // PGOUSE-DAG: ![[BL3]] = !{!"branch_weights", i32 26, i32 27} | 
|  | // PGOUSE-DAG: ![[BL4]] = !{!"branch_weights", i32 51, i32 2} | 
|  | // PGOUSE-DAG: ![[BL5]] = !{!"branch_weights", i32 52, i32 1} | 
|  | // PGOUSE-DAG: ![[BL6]] = !{!"branch_weights", i32 51, i32 2} | 
|  | // PGOUSE-DAG: ![[BL7]] = !{!"branch_weights", i32 26, i32 27} | 
|  | // PGOUSE-DAG: ![[BL8]] = !{!"branch_weights", i32 51, i32 2} | 
|  | // PGOUSE-DAG: ![[CO1]] = !{!"branch_weights", i32 1, i32 2} | 
|  | // PGOUSE-DAG: ![[CO2]] = !{!"branch_weights", i32 2, i32 1} | 
|  |  | 
|  | // PGOUSE-DAG: ![[DF1]] = !{!"branch_weights", i32 11, i32 2} | 
|  | // PGOUSE-DAG: ![[DF2]] = !{!"branch_weights", i32 3, i32 3} | 
|  | // PGOUSE-DAG: ![[DF3]] = !{!"branch_weights", i32 9, i32 5} | 
|  |  | 
|  | // PGOUSE-DAG: ![[ST1]] = !{!"branch_weights", i32 11, i32 2} | 
|  |  | 
|  | int main(int argc, const char *argv[]) { | 
|  | simple_loops(); | 
|  | conditionals(); | 
|  | early_exits(); | 
|  | jumps(); | 
|  | switches(); | 
|  | big_switch(); | 
|  | boolean_operators(); | 
|  | boolop_loops(); | 
|  | conditional_operator(); | 
|  | do_fallthrough(); | 
|  | static_func(); | 
|  | return 0; | 
|  | } |