[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/asm-10.ll b/llvm/test/CodeGen/SystemZ/asm-10.ll
new file mode 100644
index 0000000..676c202
--- /dev/null
+++ b/llvm/test/CodeGen/SystemZ/asm-10.ll
@@ -0,0 +1,30 @@
+; Test the FPR constraint "f".
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+define float @f1() {
+; CHECK: f1:
+; CHECK: lzer %f1
+; CHECK: blah %f0 %f1
+; CHECK: br %r14
+ %val = call float asm "blah $0 $1", "=&f,f" (float 0.0)
+ ret float %val
+}
+
+define double @f2() {
+; CHECK: f2:
+; CHECK: lzdr %f1
+; CHECK: blah %f0 %f1
+; CHECK: br %r14
+ %val = call double asm "blah $0 $1", "=&f,f" (double 0.0)
+ ret double %val
+}
+
+define double @f3() {
+; CHECK: f3:
+; CHECK: lzxr %f1
+; CHECK: blah %f0 %f1
+; CHECK: br %r14
+ %val = call double asm "blah $0 $1", "=&f,f" (fp128 0xL00000000000000000000000000000000)
+ ret double %val
+}