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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-04-11 22:49:04 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-04-11 22:49:04 +0000 |
| commit | c12a6e6b53bb6df62a0020bda91206fd149c430a (patch) | |
| tree | 4ca7453c91df79baf7c983becc08db67a941a995 /test/CodeGen/Mips/fabs.ll | |
| parent | b318cc16c9e959adb96294b3aa4940e74f68dde3 (diff) | |
| download | llvm-c12a6e6b53bb6df62a0020bda91206fd149c430a.tar.gz llvm-c12a6e6b53bb6df62a0020bda91206fd149c430a.tar.bz2 llvm-c12a6e6b53bb6df62a0020bda91206fd149c430a.tar.xz | |
Emit abs.s or abs.d only if -enable-no-nans-fp-math is supplied by user.
Invalid operation is signaled if the operand of these instructions is NaN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154545 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Mips/fabs.ll')
| -rw-r--r-- | test/CodeGen/Mips/fabs.ll | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/fabs.ll b/test/CodeGen/Mips/fabs.ll new file mode 100644 index 0000000000..b296ab390d --- /dev/null +++ b/test/CodeGen/Mips/fabs.ll @@ -0,0 +1,52 @@ +; RUN: llc < %s -march=mipsel -mcpu=mips32 | FileCheck %s -check-prefix=32 +; RUN: llc < %s -march=mipsel -mcpu=mips32r2 | FileCheck %s -check-prefix=32R2 +; RUN: llc < %s -march=mips64el -mcpu=mips64 -mattr=n64 | FileCheck %s -check-prefix=64 +; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -mattr=n64 | FileCheck %s -check-prefix=64R2 +; RUN: llc < %s -march=mipsel -mcpu=mips32 -enable-no-nans-fp-math | FileCheck %s -check-prefix=NO-NAN + +define float @foo0(float %a) nounwind readnone { +entry: + +; 32: lui $[[T0:[0-9]+]], 32767 +; 32: ori $[[MSK0:[0-9]+]], $[[T0]], 65535 +; 32: and $[[AND:[0-9]+]], ${{[0-9]+}}, $[[MSK0]] +; 32: mtc1 $[[AND]], $f0 + +; 32R2: ins $[[INS:[0-9]+]], $zero, 31, 1 +; 32R2: mtc1 $[[INS]], $f0 + +; NO-NAN: abs.s + + %call = tail call float @fabsf(float %a) nounwind readnone + ret float %call +} + +declare float @fabsf(float) nounwind readnone + +define double @foo1(double %a) nounwind readnone { +entry: + +; 32: lui $[[T0:[0-9]+]], 32767 +; 32: ori $[[MSK0:[0-9]+]], $[[T0]], 65535 +; 32: and $[[AND:[0-9]+]], ${{[0-9]+}}, $[[MSK0]] +; 32: mtc1 $[[AND]], $f1 + +; 32R2: ins $[[INS:[0-9]+]], $zero, 31, 1 +; 32R2: mtc1 $[[INS]], $f1 + +; 64: daddiu $[[T0:[0-9]+]], $zero, 1 +; 64: dsll $[[T1:[0-9]+]], ${{[0-9]+}}, 63 +; 64: daddiu $[[MSK0:[0-9]+]], $[[T1]], -1 +; 64: and $[[AND:[0-9]+]], ${{[0-9]+}}, $[[MSK0]] +; 64: dmtc1 $[[AND]], $f0 + +; 64R2: dins $[[INS:[0-9]+]], $zero, 63, 1 +; 64R2: dmtc1 $[[INS]], $f0 + +; NO-NAN: abs.d + + %call = tail call double @fabs(double %a) nounwind readnone + ret double %call +} + +declare double @fabs(double) nounwind readnone |