[SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.
This version of the patch incorporates feedback from a review by
Sean Silva. Thanks to all reviewers!
Patch by Richard Sandiford.
llvm-svn: 181204
diff --git a/llvm/test/CodeGen/SystemZ/fp-const-09.ll b/llvm/test/CodeGen/SystemZ/fp-const-09.ll
new file mode 100644
index 0000000..435dcba
--- /dev/null
+++ b/llvm/test/CodeGen/SystemZ/fp-const-09.ll
@@ -0,0 +1,20 @@
+; Test loads of 128-bit floating-point constants in which the low bit of
+; the significand is set.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CONST
+
+define void @f1(fp128 *%x) {
+; CHECK: f1:
+; CHECK: larl [[REGISTER:%r[1-5]+]], {{.*}}
+; CHECK: ld %f0, 0([[REGISTER]])
+; CHECK: ld %f2, 8([[REGISTER]])
+; CHECK: std %f0, 0(%r2)
+; CHECK: std %f2, 8(%r2)
+; CHECK: br %r14
+;
+; CONST: .quad 4611404543450677248
+; CONST: .quad 1
+ store fp128 0xL00000000000000013fff000000000000, fp128 *%x
+ ret void
+}