0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// Test that instrumentation based profiling sets function attributes correctly.
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// RUN: llvm-profdata merge %S/Inputs/c-attributes.proftext -o %t.profdata
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// RUN: %clang %s -o - -mllvm -disable-llvm-optzns -emit-llvm -S -fprofile-instr-use=%t.profdata | FileCheck %s
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extern int atoi(const char *);
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// CHECK: hot_100_percent(i32{{.*}}%i) [[HOT:#[0-9]+]]
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void hot_100_percent(int i) {
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while (i > 0)
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i--;
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}
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// CHECK: hot_40_percent(i32{{.*}}%i) [[HOT]]
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void hot_40_percent(int i) {
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while (i > 0)
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i--;
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}
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// CHECK: normal_func(i32{{.*}}%i) [[NORMAL:#[0-9]+]]
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void normal_func(int i) {
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while (i > 0)
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i--;
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}
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// CHECK: cold_func(i32{{.*}}%i) [[COLD:#[0-9]+]]
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void cold_func(int i) {
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while (i > 0)
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i--;
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}
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// CHECK: attributes [[HOT]] = { inlinehint nounwind {{.*}} }
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// CHECK: attributes [[NORMAL]] = { nounwind {{.*}} }
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// CHECK: attributes [[COLD]] = { cold nounwind {{.*}} }
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int main(int argc, const char *argv[]) {
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int max = atoi(argv[1]);
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int i;
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for (i = 0; i < max; i++)
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hot_100_percent(i);
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for (i = 0; i < max * 4 / 10; i++)
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hot_40_percent(i);
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for (i = 0; i < max * 2 / 10; i++)
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normal_func(i);
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for (i = 0; i < max / 200; i++)
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cold_func(i);
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return 0;
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}
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