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Differential D87822 Diff 292841 clang/test/AST/const-fpfeatures.c

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clang/test/AST/const-fpfeatures.c

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// RUN: %clang_cc1 -S -emit-llvm -Wno-unknown-pragmas %s -o - | FileCheck %s
// nextUp(1.F) == 0x1.000002p0F
#pragma STDC FENV_ROUND FE_UPWARD
float F1u = 1.0F + 0x0.000002p0F;
float F2u = 1.0F + 0x0.000001p0F;
float F3u = 0x1.000001p0;
// CHECK: @F1u = {{.*}} float 0x3FF0000020000000
// CHECK: @F2u = {{.*}} float 0x3FF0000020000000
// CHECK: @F3u = {{.*}} float 0x3FF0000020000000
#pragma STDC FENV_ROUND FE_DOWNWARD
float F1d = 1.0F + 0x0.000002p0F;
float F2d = 1.0F + 0x0.000001p0F;
float F3d = 0x1.000001p0;
// CHECK: @F1d = {{.*}} float 0x3FF0000020000000
// CHECK: @F2d = {{.*}} float 1.000000e+00
// CHECK: @F3d = {{.*}} float 1.000000e+00