[SystemZ] Fold more spills

[oota-llvm.git] / test / CodeGen / SystemZ / or-01.ll

diff --git a/test/CodeGen/SystemZ/or-01.ll b/test/CodeGen/SystemZ/or-01.ll
index 20c93129efca55550b5cf95ed8a6d36d90b4e536..ab869c76ebe5648ea6176bdfebe4cd50ccb221c2 100644 (file)
--- a/test/CodeGen/SystemZ/or-01.ll
+++ b/test/CodeGen/SystemZ/or-01.ll
@@ -2,6 +2,8 @@
 ;
 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
 
+declare i32 @foo()
+
 ; Check OR.
 define i32 @f1(i32 %a, i32 %b) {
 ; CHECK: f1:
@@ -127,3 +129,46 @@ define i32 @f11(i32 %a, i64 %src, i64 %index) {
   %or = or i32 %a, %b
   ret i32 %or
 }
+
+; Check that ORs of spilled values can use O rather than OR.
+define i32 @f12(i32 *%ptr0) {
+; CHECK: f12:
+; CHECK: brasl %r14, foo@PLT
+; CHECK: o %r2, 16{{[04]}}(%r15)
+; CHECK: br %r14
+  %ptr1 = getelementptr i32 *%ptr0, i64 2
+  %ptr2 = getelementptr i32 *%ptr0, i64 4
+  %ptr3 = getelementptr i32 *%ptr0, i64 6
+  %ptr4 = getelementptr i32 *%ptr0, i64 8
+  %ptr5 = getelementptr i32 *%ptr0, i64 10
+  %ptr6 = getelementptr i32 *%ptr0, i64 12
+  %ptr7 = getelementptr i32 *%ptr0, i64 14
+  %ptr8 = getelementptr i32 *%ptr0, i64 16
+  %ptr9 = getelementptr i32 *%ptr0, i64 18
+
+  %val0 = load i32 *%ptr0
+  %val1 = load i32 *%ptr1
+  %val2 = load i32 *%ptr2
+  %val3 = load i32 *%ptr3
+  %val4 = load i32 *%ptr4
+  %val5 = load i32 *%ptr5
+  %val6 = load i32 *%ptr6
+  %val7 = load i32 *%ptr7
+  %val8 = load i32 *%ptr8
+  %val9 = load i32 *%ptr9
+
+  %ret = call i32 @foo()
+
+  %or0 = or i32 %ret, %val0
+  %or1 = or i32 %or0, %val1
+  %or2 = or i32 %or1, %val2
+  %or3 = or i32 %or2, %val3
+  %or4 = or i32 %or3, %val4
+  %or5 = or i32 %or4, %val5
+  %or6 = or i32 %or5, %val6
+  %or7 = or i32 %or6, %val7
+  %or8 = or i32 %or7, %val8
+  %or9 = or i32 %or8, %val9
+
+  ret i32 %or9
+}