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-rw-r--r--llvm/test/CodeGen/SystemZ/vec-args-05.ll32
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SystemZ/vec-args-05.ll b/llvm/test/CodeGen/SystemZ/vec-args-05.ll
new file mode 100644
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+++ b/llvm/test/CodeGen/SystemZ/vec-args-05.ll
@@ -0,0 +1,32 @@
+; Test the handling of unnamed short vector arguments.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s -check-prefix=CHECK-VEC
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s -check-prefix=CHECK-STACK
+
+; This routine is called with two named vector argument (passed
+; in %v24 and %v26) and two unnamed vector arguments (passed
+; in the single-wide stack slots at 160 and 168).
+declare void @bar(<4 x i8>, <4 x i8>, ...)
+
+define void @foo() {
+; CHECK-VEC-LABEL: foo:
+; CHECK-VEC-DAG: vrepib %v24, 1
+; CHECK-VEC-DAG: vrepib %v26, 2
+; CHECK-VEC: brasl %r14, bar@PLT
+;
+; CHECK-STACK-LABEL: foo:
+; CHECK-STACK: aghi %r15, -176
+; CHECK-STACK-DAG: llihf [[REG1:%r[0-9]+]], 50529027
+; CHECK-STACK-DAG: stg [[REG1]], 160(%r15)
+; CHECK-STACK-DAG: llihf [[REG2:%r[0-9]+]], 67372036
+; CHECK-STACK-DAG: stg [[REG2]], 168(%r15)
+; CHECK-STACK: brasl %r14, bar@PLT
+
+ call void (<4 x i8>, <4 x i8>, ...) @bar
+ (<4 x i8> <i8 1, i8 1, i8 1, i8 1>,
+ <4 x i8> <i8 2, i8 2, i8 2, i8 2>,
+ <4 x i8> <i8 3, i8 3, i8 3, i8 3>,
+ <4 x i8> <i8 4, i8 4, i8 4, i8 4>)
+ ret void
+}
+
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