Add definitions of floating point multiply add/sub and negative multiply

add/sub instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151415 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 88 insertions, 0 deletions

diff --git a/test/CodeGen/Mips/fmadd1.ll b/test/CodeGen/Mips/fmadd1.ll
new file mode 100644
index 0000000000..435b419368
--- /dev/null
+++ b/test/CodeGen/Mips/fmadd1.ll
@@ -0,0 +1,88 @@
+; RUN: llc < %s -march=mipsel -mcpu=mips32r2 -enable-no-nans-fp-math | FileCheck %s -check-prefix=32R2
+; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -mattr=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefix=64R2
+; RUN: llc < %s -march=mipsel -mcpu=mips32r2 | FileCheck %s -check-prefix=32R2NAN
+; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -mattr=n64 | FileCheck %s -check-prefix=64R2NAN
+
+define float @FOO0float(float %a, float %b, float %c) nounwind readnone {
+entry:
+; CHECK: madd.s 
+  %mul = fmul float %a, %b
+  %add = fadd float %mul, %c
+  %add1 = fadd float %add, 0.000000e+00
+  ret float %add1
+}
+
+define float @FOO1float(float %a, float %b, float %c) nounwind readnone {
+entry:
+; CHECK: msub.s 
+  %mul = fmul float %a, %b
+  %sub = fsub float %mul, %c
+  %add = fadd float %sub, 0.000000e+00
+  ret float %add
+}
+
+define float @FOO2float(float %a, float %b, float %c) nounwind readnone {
+entry:
+; 32R2: nmadd.s 
+; 64R2: nmadd.s 
+; 32R2NAN: madd.s 
+; 64R2NAN: madd.s 
+  %mul = fmul float %a, %b
+  %add = fadd float %mul, %c
+  %sub = fsub float 0.000000e+00, %add
+  ret float %sub
+}
+
+define float @FOO3float(float %a, float %b, float %c) nounwind readnone {
+entry:
+; 32R2: nmsub.s 
+; 64R2: nmsub.s 
+; 32R2NAN: msub.s 
+; 64R2NAN: msub.s 
+  %mul = fmul float %a, %b
+  %sub = fsub float %mul, %c
+  %sub1 = fsub float 0.000000e+00, %sub
+  ret float %sub1
+}
+
+define double @FOO10double(double %a, double %b, double %c) nounwind readnone {
+entry:
+; CHECK: madd.d
+  %mul = fmul double %a, %b
+  %add = fadd double %mul, %c
+  %add1 = fadd double %add, 0.000000e+00
+  ret double %add1
+}
+
+define double @FOO11double(double %a, double %b, double %c) nounwind readnone {
+entry:
+; CHECK: msub.d
+  %mul = fmul double %a, %b
+  %sub = fsub double %mul, %c
+  %add = fadd double %sub, 0.000000e+00
+  ret double %add
+}
+
+define double @FOO12double(double %a, double %b, double %c) nounwind readnone {
+entry:
+; 32R2: nmadd.d 
+; 64R2: nmadd.d 
+; 32R2NAN: madd.d 
+; 64R2NAN: madd.d 
+  %mul = fmul double %a, %b
+  %add = fadd double %mul, %c
+  %sub = fsub double 0.000000e+00, %add
+  ret double %sub
+}
+
+define double @FOO13double(double %a, double %b, double %c) nounwind readnone {
+entry:
+; 32R2: nmsub.d 
+; 64R2: nmsub.d 
+; 32R2NAN: msub.d 
+; 64R2NAN: msub.d 
+  %mul = fmul double %a, %b
+  %sub = fsub double %mul, %c
+  %sub1 = fsub double 0.000000e+00, %sub
+  ret double %sub1
+}