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fa85745f2d
Only if the other operand of a comparison with Inf is a literal we can be sure that it's not Inf or NaN. Fixes a miscompile rdar://122605966
19 lines
664 B
Swift
19 lines
664 B
Swift
// RUN: %target-swift-frontend -parse-as-library -module-name test %s -O -emit-sil | %FileCheck %s
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// REQUIRES: swift_stdlib_no_asserts,optimized_stdlib
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// CHECK-LABEL: sil @$s4test17dont_fold_inf_cmpySbSfF :
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// CHECK: builtin "fcmp_olt_FPIEEE32"
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// CHECK: } // end sil function '$s4test17dont_fold_inf_cmpySbSfF'
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public func dont_fold_inf_cmp(_ f: Float) -> Bool {
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(f + 0) < .infinity
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}
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// CHECK-LABEL: sil @$s4test014dont_fold_inf_D4_cmpSbyF :
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// CHECK: builtin "fcmp_olt_FPIEEE32"
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// CHECK: } // end sil function '$s4test014dont_fold_inf_D4_cmpSbyF'
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public func dont_fold_inf_inf_cmp() -> Bool {
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0x1.0p128 < Float.infinity
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}
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