Initial support for single-precision FP using NEON. Added "neonfp" attribute to enable. Added patterns for some binary FP operations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78081 91177308-0d34-0410-b5e6-96231b3b80d8

9 files changed, 99 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/fadds.ll b/test/CodeGen/ARM/fadds.ll
new file mode 100644
index 0000000000..35c74f78d2
--- /dev/null
+++ b/test/CodeGen/ARM/fadds.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fadds\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {vadd.f32\\W*d\[0-9\]+,\\W*d\[0-9\]+,\\W*d\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fadds\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %a, float %b) {
+entry:
+	%0 = fadd float %a, %b
+	ret float %0
+}
+
diff --git a/test/CodeGen/ARM/fdivs.ll b/test/CodeGen/ARM/fdivs.ll
new file mode 100644
index 0000000000..9637ccb961
--- /dev/null
+++ b/test/CodeGen/ARM/fdivs.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fdivs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {fdivs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fdivs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %a, float %b) {
+entry:
+	%0 = fdiv float %a, %b
+	ret float %0
+}
+
diff --git a/test/CodeGen/ARM/fmacs.ll b/test/CodeGen/ARM/fmacs.ll
new file mode 100644
index 0000000000..24517e1c5d
--- /dev/null
+++ b/test/CodeGen/ARM/fmacs.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fmacs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {vmla.f32\\W*d\[0-9\]+,\\W*d\[0-9\]+,\\W*d\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fmacs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %acc, float %a, float %b) {
+entry:
+	%0 = fmul float %a, %b
+        %1 = fadd float %acc, %0
+	ret float %1
+}
+
diff --git a/test/CodeGen/ARM/fmscs.ll b/test/CodeGen/ARM/fmscs.ll
new file mode 100644
index 0000000000..5338f44e97
--- /dev/null
+++ b/test/CodeGen/ARM/fmscs.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {fmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %acc, float %a, float %b) {
+entry:
+	%0 = fmul float %a, %b
+        %1 = fsub float %0, %acc
+	ret float %1
+}
+
diff --git a/test/CodeGen/ARM/fmuls.ll b/test/CodeGen/ARM/fmuls.ll
new file mode 100644
index 0000000000..24c04abd1d
--- /dev/null
+++ b/test/CodeGen/ARM/fmuls.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fmuls\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {vmul.f32\\W*d\[0-9\]+,\\W*d\[0-9\]+,\\W*d\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fmuls\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %a, float %b) {
+entry:
+	%0 = fmul float %a, %b
+	ret float %0
+}
+
diff --git a/test/CodeGen/ARM/fnmacs.ll b/test/CodeGen/ARM/fnmacs.ll
new file mode 100644
index 0000000000..537c4110ba
--- /dev/null
+++ b/test/CodeGen/ARM/fnmacs.ll
@@ -0,0 +1,12 @@
+; XFAIL: *
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fnmacs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {vmls.f32\\W*d\[0-9\]+,\\W*d\[0-9\]+,\\W*d\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fnmacs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %acc, float %a, float %b) {
+entry:
+	%0 = fmul float %a, %b
+        %1 = fsub float %acc, %0
+	ret float %1
+}
+
diff --git a/test/CodeGen/ARM/fnmscs.ll b/test/CodeGen/ARM/fnmscs.ll
new file mode 100644
index 0000000000..da3b95f733
--- /dev/null
+++ b/test/CodeGen/ARM/fnmscs.ll
@@ -0,0 +1,13 @@
+; XFAIL: *
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fnmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {fnmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fnmscs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %acc, float %a, float %b) {
+entry:
+	%0 = fmul float %a, %b
+	%1 = fsub float 0.0, %0
+        %2 = fsub float %1, %acc
+	ret float %2
+}
+
diff --git a/test/CodeGen/ARM/fnmuls.ll b/test/CodeGen/ARM/fnmuls.ll
new file mode 100644
index 0000000000..7130aa6be6
--- /dev/null
+++ b/test/CodeGen/ARM/fnmuls.ll
@@ -0,0 +1,12 @@
+; XFAIL: *
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fnmuls\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {fnmuls\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fnmuls\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %a, float %b) {
+entry:
+	%0 = fmul float %a, %b
+        %1 = fsub float 0.0, %0
+	ret float %1
+}
+
diff --git a/test/CodeGen/ARM/fsubs.ll b/test/CodeGen/ARM/fsubs.ll
new file mode 100644
index 0000000000..e318237401
--- /dev/null
+++ b/test/CodeGen/ARM/fsubs.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fsubs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {vsub.f32\\W*d\[0-9\]+,\\W*d\[0-9\]+,\\W*d\[0-9\]+} | count 1
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fsubs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
+
+define float @test(float %a, float %b) {
+entry:
+	%0 = fsub float %a, %b
+	ret float %0
+}
+