Add preliminary support for .f32 in the PTX backend.

- Add appropriate TableGen patterns for fadd, fsub, fmul.
- Add .f32 as the PTX type for the LLVM float type.
- Allow parameters, return values, and global variable declarations
  to accept the float type.
- Add appropriate test cases.

Patch by Justin Holewinski



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126636 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 0 deletions

diff --git a/test/CodeGen/PTX/sub.ll b/test/CodeGen/PTX/sub.ll
index aab3fdadad..e11decaf5c 100644
--- a/test/CodeGen/PTX/sub.ll
+++ b/test/CodeGen/PTX/sub.ll
@@ -13,3 +13,17 @@ define ptx_device i32 @t2(i32 %x) {
 ;CHECK: ret;
 	ret i32 %z
 }
+
+define ptx_device float @t3(float %x, float %y) {
+; CHECK: sub.f32 f0, f1, f2
+; CHECK-NEXT: ret;
+  %z = fsub float %x, %y
+  ret float %z
+}
+
+define ptx_device float @t4(float %x) {
+; CHECK: add.f32 f0, f1, 0FBF800000;
+; CHECK-NEXT: ret;
+  %z = fsub float %x, 1.0
+  ret float %z
+}