[SystemZ] Add CodeGen support for v2f64
This adds ABI and CodeGen support for the v2f64 type, which is natively
supported by z13 instructions.
Based on a patch by Richard Sandiford.
llvm-svn: 236522
diff --git a/llvm/test/CodeGen/SystemZ/vec-const-12.ll b/llvm/test/CodeGen/SystemZ/vec-const-12.ll
new file mode 100644
index 0000000..ca66a3d
--- /dev/null
+++ b/llvm/test/CodeGen/SystemZ/vec-const-12.ll
@@ -0,0 +1,169 @@
+; Test vector replicates, v2f64 version.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
+
+; Test a byte-granularity replicate with the lowest useful value.
+define <2 x double> @f1() {
+; CHECK-LABEL: f1:
+; CHECK: vrepib %v24, 1
+; CHECK: br %r14
+ ret <2 x double> <double 0x0101010101010101, double 0x0101010101010101>
+}
+
+; Test a byte-granularity replicate with an arbitrary value.
+define <2 x double> @f2() {
+; CHECK-LABEL: f2:
+; CHECK: vrepib %v24, -55
+; CHECK: br %r14
+ ret <2 x double> <double 0xc9c9c9c9c9c9c9c9, double 0xc9c9c9c9c9c9c9c9>
+}
+
+; Test a byte-granularity replicate with the highest useful value.
+define <2 x double> @f3() {
+; CHECK-LABEL: f3:
+; CHECK: vrepib %v24, -2
+; CHECK: br %r14
+ ret <2 x double> <double 0xfefefefefefefefe, double 0xfefefefefefefefe>
+}
+
+; Test a halfword-granularity replicate with the lowest useful value.
+define <2 x double> @f4() {
+; CHECK-LABEL: f4:
+; CHECK: vrepih %v24, 1
+; CHECK: br %r14
+ ret <2 x double> <double 0x0001000100010001, double 0x0001000100010001>
+}
+
+; Test a halfword-granularity replicate with an arbitrary value.
+define <2 x double> @f5() {
+; CHECK-LABEL: f5:
+; CHECK: vrepih %v24, 25650
+; CHECK: br %r14
+ ret <2 x double> <double 0x6432643264326432, double 0x6432643264326432>
+}
+
+; Test a halfword-granularity replicate with the highest useful value.
+define <2 x double> @f6() {
+; CHECK-LABEL: f6:
+; CHECK: vrepih %v24, -2
+; CHECK: br %r14
+ ret <2 x double> <double 0xfffefffefffefffe, double 0xfffefffefffefffe>
+}
+
+; Test a word-granularity replicate with the lowest useful positive value.
+define <2 x double> @f7() {
+; CHECK-LABEL: f7:
+; CHECK: vrepif %v24, 1
+; CHECK: br %r14
+ ret <2 x double> <double 0x0000000100000001, double 0x0000000100000001>
+}
+
+; Test a word-granularity replicate with the highest in-range value.
+define <2 x double> @f8() {
+; CHECK-LABEL: f8:
+; CHECK: vrepif %v24, 32767
+; CHECK: br %r14
+ ret <2 x double> <double 0x00007fff00007fff, double 0x00007fff00007fff>
+}
+
+; Test a word-granularity replicate with the next highest value.
+; This cannot use VREPIF.
+define <2 x double> @f9() {
+; CHECK-LABEL: f9:
+; CHECK-NOT: vrepif
+; CHECK: br %r14
+ ret <2 x double> <double 0x0000800000008000, double 0x0000800000008000>
+}
+
+; Test a word-granularity replicate with the lowest in-range value.
+define <2 x double> @f10() {
+; CHECK-LABEL: f10:
+; CHECK: vrepif %v24, -32768
+; CHECK: br %r14
+ ret <2 x double> <double 0xffff8000ffff8000, double 0xffff8000ffff8000>
+}
+
+; Test a word-granularity replicate with the next lowest value.
+; This cannot use VREPIF.
+define <2 x double> @f11() {
+; CHECK-LABEL: f11:
+; CHECK-NOT: vrepif
+; CHECK: br %r14
+ ret <2 x double> <double 0xffff7fffffff7fff, double 0xffff7fffffff7fff>
+}
+
+; Test a word-granularity replicate with the highest useful negative value.
+define <2 x double> @f12() {
+; CHECK-LABEL: f12:
+; CHECK: vrepif %v24, -2
+; CHECK: br %r14
+ ret <2 x double> <double 0xfffffffefffffffe, double 0xfffffffefffffffe>
+}
+
+; Test a doubleword-granularity replicate with the lowest useful positive
+; value.
+define <2 x double> @f13() {
+; CHECK-LABEL: f13:
+; CHECK: vrepig %v24, 1
+; CHECK: br %r14
+ ret <2 x double> <double 0x0000000000000001, double 0x0000000000000001>
+}
+
+; Test a doubleword-granularity replicate with the highest in-range value.
+define <2 x double> @f14() {
+; CHECK-LABEL: f14:
+; CHECK: vrepig %v24, 32767
+; CHECK: br %r14
+ ret <2 x double> <double 0x0000000000007fff, double 0x0000000000007fff>
+}
+
+; Test a doubleword-granularity replicate with the next highest value.
+; This cannot use VREPIG.
+define <2 x double> @f15() {
+; CHECK-LABEL: f15:
+; CHECK-NOT: vrepig
+; CHECK: br %r14
+ ret <2 x double> <double 0x0000000000008000, double 0x0000000000008000>
+}
+
+; Test a doubleword-granularity replicate with the lowest in-range value.
+define <2 x double> @f16() {
+; CHECK-LABEL: f16:
+; CHECK: vrepig %v24, -32768
+; CHECK: br %r14
+ ret <2 x double> <double 0xffffffffffff8000, double 0xffffffffffff8000>
+}
+
+; Test a doubleword-granularity replicate with the next lowest value.
+; This cannot use VREPIG.
+define <2 x double> @f17() {
+; CHECK-LABEL: f17:
+; CHECK-NOT: vrepig
+; CHECK: br %r14
+ ret <2 x double> <double 0xffffffffffff7fff, double 0xffffffffffff7fff>
+}
+
+; Test a doubleword-granularity replicate with the highest useful negative
+; value.
+define <2 x double> @f18() {
+; CHECK-LABEL: f18:
+; CHECK: vrepig %v24, -2
+; CHECK: br %r14
+ ret <2 x double> <double 0xfffffffffffffffe, double 0xfffffffffffffffe>
+}
+
+; Repeat f14 with undefs optimistically treated as 32767.
+define <2 x double> @f19() {
+; CHECK-LABEL: f19:
+; CHECK: vrepig %v24, 32767
+; CHECK: br %r14
+ ret <2 x double> <double undef, double 0x0000000000007fff>
+}
+
+; Repeat f18 with undefs optimistically treated as -2.
+define <2 x double> @f20() {
+; CHECK-LABEL: f20:
+; CHECK: vrepig %v24, -2
+; CHECK: br %r14
+ ret <2 x double> <double undef, double 0xfffffffffffffffe>
+}