Hexagon V5 (floating point) support.

llvm-svn: 155367

1 files changed, 27 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Hexagon/convertdptoll.ll b/llvm/test/CodeGen/Hexagon/convertdptoll.ll
new file mode 100644
index 00000000000..bded6f1853e
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/convertdptoll.ll
@@ -0,0 +1,27 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv5  < %s | FileCheck %s
+; Check that we generate conversion from double precision floating point 
+; to 64-bit integer value in IEEE complaint mode in V5.
+
+; CHECK: r{{[0-9]+}} = convert_df2d(r{{[0-9]+}}:{{[0-9]+}}):chop
+
+define i32 @main() nounwind {
+entry:
+  %retval = alloca i32, align 4
+  %i = alloca i64, align 8
+  %a = alloca double, align 8
+  %b = alloca double, align 8
+  %c = alloca double, align 8
+  store i32 0, i32* %retval
+  store double 1.540000e+01, double* %a, align 8
+  store double 9.100000e+00, double* %b, align 8
+  %0 = load double* %a, align 8
+  %1 = load double* %b, align 8
+  %add = fadd double %0, %1
+  store double %add, double* %c, align 8
+  %2 = load double* %c, align 8
+  %conv = fptosi double %2 to i64
+  store i64 %conv, i64* %i, align 8
+  %3 = load i64* %i, align 8
+  %conv1 = trunc i64 %3 to i32
+  ret i32 %conv1
+}