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CodeGen: Test that simple expressions are simplified at -O0 

llvm-svn: 193995
This commit is contained in:
Justin Bogner 2013-11-04 16:13:23 +00:00
parent b23224eede
commit e0ccdb1a28
1 changed files with 22 additions and 0 deletions
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22
clang/test/CodeGen/branch-on-bool.c Normal file
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@ -0,0 +1,22 @@
// RUN: %clang %s -O0 -emit-llvm -S -o - | FileCheck %s
void foo();
void bar();
void fold_if(int a, int b) {
// CHECK: define {{.*}} @fold_if(
// CHECK-NOT: = phi
// CHECK: }
if (a && b)
foo();
else
bar();
}
void fold_for(int a, int b) {
// CHECK: define {{.*}} @fold_for(
// CHECK-NOT: = phi
// CHECK: }
for (int i = 0; a && i < b; ++i) foo();
for (int i = 0; a || i < b; ++i) bar();
}