derek.holloway
7502bf64a4
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30 lines
695 B
C
30 lines
695 B
C
// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
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/* WG14 N1391: Yes
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* Floating-point to int/_Bool conversions
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*/
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int neg_zero(void) {
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// CHECK: define{{.*}} i32 @neg_zero()
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return (_Bool)-0.0 ? -1 : 1; // Negative zero -> false
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// CHECK: ret i32 1
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}
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int pos_inf(void) {
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// CHECK: define{{.*}} i32 @pos_inf()
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return (_Bool)(1.0f / 0.0f) ? 1 : -1; // Positive inf -> true
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// CHECK: ret i32 1
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}
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int neg_inf(void) {
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// CHECK: define{{.*}} i32 @neg_inf()
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return (_Bool)(-1.0f / 0.0f) ? 1 : -1; // Negative inf -> true
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// CHECK: ret i32 1
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}
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int nan(void) {
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// CHECK: define{{.*}} i32 @nan()
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return (_Bool)(0.0f / 0.0f) ? 1 : -1; // NaN -> true
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// CHECK: ret i32 1
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}
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