1 files changed, 84 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/nmadd.ll b/test/CodeGen/Mips/nmadd.ll
new file mode 100644
index 0000000000000..857d75b3fda3a
--- /dev/null
+++ b/test/CodeGen/Mips/nmadd.ll
@@ -0,0 +1,84 @@
+; Check whether nmadd/nmsub instructions are properly generated
+; RUN: llc < %s -march=mipsel   -mcpu=mips32r2 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM
+; RUN: llc < %s -march=mipsel   -mcpu=mips32r2 -mattr=+fp64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM
+; RUN: llc < %s -march=mipsel   -mcpu=mips32r2 -mattr=micromips -enable-no-nans-fp-math -asm-show-inst | FileCheck %s -check-prefixes=ALL,CHECK-NM,CHECK-MM
+; RUN: llc < %s -march=mips64el -mcpu=mips64   -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
+; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
+; RUN: llc < %s -march=mips64el -mcpu=mips4    -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM-64
+; RUN: llc < %s -march=mipsel   -mcpu=mips32   -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
+; RUN: llc < %s -march=mipsel   -mcpu=mips32r6 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
+; RUN: llc < %s -march=mips64el -mcpu=mips3    -target-abi=n64 -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM-64
+; RUN: llc < %s -march=mipsel   -mcpu=mips32r6 -mattr=micromips -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NOT-NM
+; RUN: llc < %s -march=mipsel   -mcpu=mips32r3 -mattr=micromips -enable-no-nans-fp-math | FileCheck %s -check-prefixes=ALL,CHECK-NM
+
+define float @add1(float %f, float %g, float %h) local_unnamed_addr #0 {
+entry:
+; ALL-LABEL: add1
+
+; CHECK-NM-64:             nmadd.s $f0, $f14, $f12, $f13
+; CHECK-NM:                nmadd.s $f0, $f0, $f12, $f14
+; CHECK-MM:                NMADD_S_MM
+; CHECK-NOT-NM-64          mul.s $f0, $f12, $f13
+; CHECK-NOT-NM-64:         neg.s $f0, $f0
+; CHECK-NOT-NM:            mul.s $f0, $f12, $f14
+; CHECK-NOT-NM:            neg.s $f0, $f0
+
+  %mul = fmul nnan float %f, %g
+  %add = fadd nnan float %mul, %h
+  %sub = fsub nnan float -0.000000e+00, %add
+  ret float %sub
+}
+
+define double @add2(double %f, double %g, double %h) local_unnamed_addr #0 {
+entry:
+; ALL-LABEL: add2
+
+; CHECK-NM-64:             nmadd.d $f0, $f14, $f12, $f13
+; CHECK-NM:                nmadd.d $f0, $f0, $f12, $f14
+; CHECK-MM:                NMADD_D32_MM
+; CHECK-NOT-NM-64          mul.d $f0, $f12, $f13
+; CHECK-NOT-NM-64:         neg.d $f0, $f0
+; CHECK-NOT-NM:            mul.d $f0, $f12, $f14
+; CHECK-NOT-NM:            neg.d $f0, $f0
+
+  %mul = fmul nnan double %f, %g
+  %add = fadd nnan double %mul, %h
+  %sub = fsub nnan double -0.000000e+00, %add
+  ret double %sub
+}
+
+define float @sub1(float %f, float %g, float %h) local_unnamed_addr #0 {
+entry:
+; ALL-LABEL: sub1
+
+; CHECK-NM-64:             nmsub.s $f0, $f14, $f12, $f13
+; CHECK-NM:                nmsub.s $f0, $f0, $f12, $f14
+; CHECK-MM:                NMSUB_S_MM
+; CHECK-NOT-NM-64          mul.s $f0, $f12, $f13
+; CHECK-NOT-NM-64:         neg.s $f0, $f0
+; CHECK-NOT-NM:            mul.s $f0, $f12, $f14
+; CHECK-NOT-NM:            neg.s $f0, $f0
+
+  %mul = fmul nnan float %f, %g
+  %sub = fsub nnan float %mul, %h
+  %sub1 = fsub nnan float -0.000000e+00, %sub
+  ret float %sub1
+}
+
+define double @sub2(double %f, double %g, double %h) local_unnamed_addr #0 {
+entry:
+; ALL-LABEL: sub2
+
+; CHECK-NM-64:             nmsub.d $f0, $f14, $f12, $f13
+; CHECK-NM:                nmsub.d $f0, $f0, $f12, $f14
+; CHECK-MM:                NMSUB_D32_MM
+; CHECK-NOT-NM-64          mul.d $f0, $f12, $f13
+; CHECK-NOT-NM-64:         neg.d $f0, $f0
+; CHECK-NOT-NM:            mul.d $f0, $f12, $f14
+; CHECK-NOT-NM:            neg.d $f0, $f0
+
+  %mul = fmul nnan double %f, %g
+  %sub = fsub nnan double %mul, %h
+  %sub1 = fsub nnan double -0.000000e+00, %sub
+  ret double %sub1
+}