[SystemZ] Improve extload handling

[oota-llvm.git] / test / CodeGen / SystemZ / int-cmp-06.ll

diff --git a/test/CodeGen/SystemZ/int-cmp-06.ll b/test/CodeGen/SystemZ/int-cmp-06.ll
index cdd61141d8d7233ab96947e66009fb4482f388d8..8ab62e89ec39b86f0088b69d82d9a93e889e6802 100644 (file)
--- a/test/CodeGen/SystemZ/int-cmp-06.ll
+++ b/test/CodeGen/SystemZ/int-cmp-06.ll
@@ -104,7 +104,7 @@ define double @f8(double %a, double %b, i64 %i1, i64 %unext) {
   ret double %res
 }
 
-; Check unsigned comparisonn with memory.
+; Check unsigned comparison with memory.
 define double @f9(double %a, double %b, i64 %i1, i32 *%ptr) {
 ; CHECK-LABEL: f9:
 ; CHECK: clgf %r2, 0(%r3)
@@ -340,3 +340,17 @@ define i64 @f19(i32 *%ptr0) {
 
   ret i64 %sel9
 }
+
+; Check the comparison can be reversed if that allows CLGF to be used.
+define double @f20(double %a, double %b, i64 %i2, i32 *%ptr) {
+; CHECK-LABEL: f20:
+; CHECK: clgf %r2, 0(%r3)
+; CHECK-NEXT: jh {{\.L.*}}
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %unext = load i32 *%ptr
+  %i1 = zext i32 %unext to i64
+  %cond = icmp ult i64 %i1, %i2
+  %res = select i1 %cond, double %a, double %b
+  ret double %res
+}