Imported Upstream version 5.18.0.225

Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5

external/llvm/test/CodeGen/SystemZ/vec-sext.ll

@@ -0,0 +1,91 @@
+; Test that vector sexts are done efficently with unpack instructions also in
+; case of fewer elements than allowed, e.g. <2 x i32>.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
+
+
+define <2 x i16> @fun1(<2 x i8> %val1) {
+; CHECK-LABEL: fun1:
+; CHECK:      	vuphb	%v24, %v24
+; CHECK-NEXT: 	br	%r14
+  %z = sext <2 x i8> %val1 to <2 x i16>
+  ret <2 x i16> %z
+}
+
+define <2 x i32> @fun2(<2 x i8> %val1) {
+; CHECK-LABEL: fun2:
+; CHECK:      	vuphb	%v0, %v24
+; CHECK-NEXT: 	vuphh	%v24, %v0
+; CHECK-NEXT: 	br	%r14
+  %z = sext <2 x i8> %val1 to <2 x i32>
+  ret <2 x i32> %z
+}
+
+define <2 x i64> @fun3(<2 x i8> %val1) {
+; CHECK-LABEL: fun3:
+; CHECK:      	vuphb	%v0, %v24
+; CHECK-NEXT: 	vuphh	%v0, %v0
+; CHECK-NEXT: 	vuphf	%v24, %v0
+; CHECK-NEXT: 	br	%r14
+  %z = sext <2 x i8> %val1 to <2 x i64>
+  ret <2 x i64> %z
+}
+
+define <2 x i32> @fun4(<2 x i16> %val1) {
+; CHECK-LABEL: fun4:
+; CHECK:      	vuphh	%v24, %v24
+; CHECK-NEXT: 	br	%r14
+  %z = sext <2 x i16> %val1 to <2 x i32>
+  ret <2 x i32> %z
+}
+
+define <2 x i64> @fun5(<2 x i16> %val1) {
+; CHECK-LABEL: fun5:
+; CHECK:      	vuphh	%v0, %v24
+; CHECK-NEXT: 	vuphf	%v24, %v0
+; CHECK-NEXT: 	br	%r14
+  %z = sext <2 x i16> %val1 to <2 x i64>
+  ret <2 x i64> %z
+}
+
+define <2 x i64> @fun6(<2 x i32> %val1) {
+; CHECK-LABEL: fun6:
+; CHECK:      	vuphf	%v24, %v24
+; CHECK-NEXT: 	br	%r14
+  %z = sext <2 x i32> %val1 to <2 x i64>
+  ret <2 x i64> %z
+}
+
+define <4 x i16> @fun7(<4 x i8> %val1) {
+; CHECK-LABEL: fun7:
+; CHECK:      	vuphb	%v24, %v24
+; CHECK-NEXT: 	br	%r14
+  %z = sext <4 x i8> %val1 to <4 x i16>
+  ret <4 x i16> %z
+}
+
+define <4 x i32> @fun8(<4 x i8> %val1) {
+; CHECK-LABEL: fun8:
+; CHECK:      	vuphb	%v0, %v24
+; CHECK-NEXT: 	vuphh	%v24, %v0
+; CHECK-NEXT: 	br	%r14
+  %z = sext <4 x i8> %val1 to <4 x i32>
+  ret <4 x i32> %z
+}
+
+define <4 x i32> @fun9(<4 x i16> %val1) {
+; CHECK-LABEL: fun9:
+; CHECK:      	vuphh	%v24, %v24
+; CHECK-NEXT: 	br	%r14
+  %z = sext <4 x i16> %val1 to <4 x i32>
+  ret <4 x i32> %z
+}
+
+define <8 x i16> @fun10(<8 x i8> %val1) {
+; CHECK-LABEL: fun10:
+; CHECK:      	vuphb	%v24, %v24
+; CHECK-NEXT: 	br	%r14
+  %z = sext <8 x i8> %val1 to <8 x i16>
+  ret <8 x i16> %z
+}
+