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24 lines
638 B
C
24 lines
638 B
C
// RUN: %clang_cc1 -triple i386-unknown-unknown %s -O3 -emit-llvm -o - | FileCheck -check-prefix=CHECK-C %s
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// RUN: %clang_cc1 -triple i386-unknown-unknown -x c++ %s -O3 -emit-llvm -o - | FileCheck -check-prefix=CHECK-CXX %s
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// CHECK-C: ret i32 6
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// CHECK-CXX: ret i32 7
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// This test case illustrates a peculiarity of the promotion of
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// enumeration types in C and C++. In particular, the enumeration type
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// "z" below promotes to an unsigned int in C but int in C++.
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static enum { foo, bar = 1U } z;
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int main (void)
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{
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int r = 0;
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if (bar - 2 < 0)
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r += 4;
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if (foo - 1 < 0)
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r += 2;
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if (z - 1 < 0)
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r++;
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return r;
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}
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