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      1 // RUN: %clang -target mipsel-unknown-linux -mnan=2008 -march=mips2 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NANLEGACY %s
      2 // RUN: FileCheck -check-prefix=CHECK-MIPS2 %s < %t
      3 //
      4 // RUN: %clang -target mips64el-unknown-linux -mnan=2008 -march=mips3 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NANLEGACY %s
      5 // RUN: FileCheck -check-prefix=CHECK-MIPS3 %s < %t
      6 //
      7 // RUN: %clang -target mips64el-unknown-linux -mnan=2008 -march=mips4 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NANLEGACY %s
      8 // RUN: FileCheck -check-prefix=CHECK-MIPS4 %s < %t
      9 //
     10 // RUN: %clang -target mipsel-unknown-linux -mnan=2008 -march=mips32 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NANLEGACY %s
     11 // RUN: FileCheck -check-prefix=CHECK-MIPS32 %s < %t
     12 //
     13 // RUN: %clang -target mipsel-unknown-linux -mnan=2008 -march=mips32r2 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NAN2008 %s
     14 // RUN: FileCheck -allow-empty -check-prefix=NO-WARNINGS %s < %t
     15 //
     16 // RUN: %clang -target mipsel-unknown-linux -mnan=2008 -march=mips32r3 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NAN2008 %s
     17 // RUN: FileCheck -allow-empty -check-prefix=NO-WARNINGS %s < %t
     18 //
     19 // RUN: %clang -target mipsel-unknown-linux -mnan=legacy -march=mips32r6 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NAN2008 %s
     20 // RUN: FileCheck -check-prefix=CHECK-MIPS32R6 %s < %t
     21 //
     22 // RUN: %clang -target mips64el-unknown-linux -mnan=2008 -march=mips64 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NANLEGACY %s
     23 // RUN: FileCheck -check-prefix=CHECK-MIPS64 %s < %t
     24 //
     25 // RUN: %clang -target mips64el-unknown-linux -mnan=2008 -march=mips64r2 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NAN2008 %s
     26 // RUN: FileCheck -allow-empty -check-prefix=NO-WARNINGS %s < %t
     27 //
     28 // RUN: %clang -target mips64el-unknown-linux -mnan=legacy -march=mips64r6 -emit-llvm -S %s -o - 2>%t | FileCheck -check-prefix=CHECK-NAN2008 %s
     29 // RUN: FileCheck -check-prefix=CHECK-MIPS64R6 %s < %t
     30 
     31 // NO-WARNINGS-NOT: warning: ignoring '-mnan=legacy' option
     32 // NO-WARNINGS-NOT: warning: ignoring '-mnan=2008' option
     33 
     34 // CHECK-MIPS2: warning: ignoring '-mnan=2008' option because the 'mips2' architecture does not support it
     35 // CHECK-MIPS3: warning: ignoring '-mnan=2008' option because the 'mips3' architecture does not support it
     36 // CHECK-MIPS4: warning: ignoring '-mnan=2008' option because the 'mips4' architecture does not support it
     37 // CHECK-MIPS32: warning: ignoring '-mnan=2008' option because the 'mips32' architecture does not support it
     38 // CHECK-MIPS32R6: warning: ignoring '-mnan=legacy' option because the 'mips32r6' architecture does not support it
     39 // CHECK-MIPS64: warning: ignoring '-mnan=2008' option because the 'mips64' architecture does not support it
     40 // CHECK-MIPS64R6: warning: ignoring '-mnan=legacy' option because the 'mips64r6' architecture does not support it
     41 
     42 // CHECK-NANLEGACY: float 0x7FF4000000000000
     43 // CHECK-NAN2008: float 0x7FF8000000000000
     44 
     45 float f =  __builtin_nan("");
     46