Hexagon V5 (floating point) support.

llvm-svn: 155367

1 files changed, 26 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Hexagon/doubleconvert-ieee-rnd-near.ll b/llvm/test/CodeGen/Hexagon/doubleconvert-ieee-rnd-near.ll
new file mode 100644
index 00000000000..ff2f0e8a7b0
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/doubleconvert-ieee-rnd-near.ll
@@ -0,0 +1,26 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-hexagon-ieee-rnd-near < %s | FileCheck %s
+; Check that we generate conversion from double precision floating point 
+; to 32-bit int value in IEEE rounding to the nearest mode in V5.
+
+; CHECK: r{{[0-9]+}} = convert_df2w(r{{[0-9]+}}:{{[0-9]+}})
+
+define i32 @main() nounwind {
+entry:
+  %retval = alloca i32, align 4
+  %i = alloca i32, align 4
+  %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 i32
+  store i32 %conv, i32* %i, align 4
+  %3 = load i32* %i, align 4
+  ret i32 %3
+}