[SystemZ] Add unsigned compare-and-branch instructions

[oota-llvm.git] / test / CodeGen / SystemZ / int-add-08.ll

diff --git a/test/CodeGen/SystemZ/int-add-08.ll b/test/CodeGen/SystemZ/int-add-08.ll
index b1f820fe3d846ffc4ba9be3987856c362db2452b..bcef914ed872714746910043b92c0fcd8cc23fe5 100644 (file)
--- a/test/CodeGen/SystemZ/int-add-08.ll
+++ b/test/CodeGen/SystemZ/int-add-08.ll
@@ -1,10 +1,13 @@
 ; Test 128-bit addition in which the second operand is variable.
 ;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
+
+declare i128 *@foo()
 
 ; Test register addition.
 define void @f1(i128 *%ptr) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
 ; CHECK: algr
 ; CHECK: alcgr
 ; CHECK: br %r14
@@ -17,7 +20,7 @@ define void @f1(i128 *%ptr) {
 ; Test memory addition with no offset.  Making the load of %a volatile
 ; should force the memory operand to be %b.
 define void @f2(i128 *%aptr, i64 %addr) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
 ; CHECK: alg {{%r[0-5]}}, 8(%r3)
 ; CHECK: alcg {{%r[0-5]}}, 0(%r3)
 ; CHECK: br %r14
@@ -31,7 +34,7 @@ define void @f2(i128 *%aptr, i64 %addr) {
 
 ; Test the highest aligned offset that is in range of both ALG and ALCG.
 define void @f3(i128 *%aptr, i64 %base) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
 ; CHECK: alg {{%r[0-5]}}, 524280(%r3)
 ; CHECK: alcg {{%r[0-5]}}, 524272(%r3)
 ; CHECK: br %r14
@@ -46,7 +49,7 @@ define void @f3(i128 *%aptr, i64 %base) {
 
 ; Test the next doubleword up, which requires separate address logic for ALG.
 define void @f4(i128 *%aptr, i64 %base) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
 ; CHECK: lgr [[BASE:%r[1-5]]], %r3
 ; CHECK: agfi [[BASE]], 524288
 ; CHECK: alg {{%r[0-5]}}, 0([[BASE]])
@@ -65,7 +68,7 @@ define void @f4(i128 *%aptr, i64 %base) {
 ; both instructions.  It would be better to create an anchor at 524288
 ; that both instructions can use, but that isn't implemented yet.
 define void @f5(i128 *%aptr, i64 %base) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
 ; CHECK: alg {{%r[0-5]}}, 0({{%r[1-5]}})
 ; CHECK: alcg {{%r[0-5]}}, 0({{%r[1-5]}})
 ; CHECK: br %r14
@@ -80,7 +83,7 @@ define void @f5(i128 *%aptr, i64 %base) {
 
 ; Test the lowest displacement that is in range of both ALG and ALCG.
 define void @f6(i128 *%aptr, i64 %base) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
 ; CHECK: alg {{%r[0-5]}}, -524280(%r3)
 ; CHECK: alcg {{%r[0-5]}}, -524288(%r3)
 ; CHECK: br %r14
@@ -95,7 +98,7 @@ define void @f6(i128 *%aptr, i64 %base) {
 
 ; Test the next doubleword down, which is out of range of the ALCG.
 define void @f7(i128 *%aptr, i64 %base) {
-; CHECK: f7:
+; CHECK-LABEL: f7:
 ; CHECK: alg {{%r[0-5]}}, -524288(%r3)
 ; CHECK: alcg {{%r[0-5]}}, 0({{%r[1-5]}})
 ; CHECK: br %r14
@@ -108,3 +111,34 @@ define void @f7(i128 *%aptr, i64 %base) {
   ret void
 }
 
+; Check that additions of spilled values can use ALG and ALCG rather than
+; ALGR and ALCGR.
+define void @f8(i128 *%ptr0) {
+; CHECK-LABEL: f8:
+; CHECK: brasl %r14, foo@PLT
+; CHECK: alg {{%r[0-9]+}}, {{[0-9]+}}(%r15)
+; CHECK: alcg {{%r[0-9]+}}, {{[0-9]+}}(%r15)
+; CHECK: br %r14
+  %ptr1 = getelementptr i128 *%ptr0, i128 2
+  %ptr2 = getelementptr i128 *%ptr0, i128 4
+  %ptr3 = getelementptr i128 *%ptr0, i128 6
+  %ptr4 = getelementptr i128 *%ptr0, i128 8
+
+  %val0 = load i128 *%ptr0
+  %val1 = load i128 *%ptr1
+  %val2 = load i128 *%ptr2
+  %val3 = load i128 *%ptr3
+  %val4 = load i128 *%ptr4
+
+  %retptr = call i128 *@foo()
+
+  %ret = load i128 *%retptr
+  %add0 = add i128 %ret, %val0
+  %add1 = add i128 %add0, %val1
+  %add2 = add i128 %add1, %val2
+  %add3 = add i128 %add2, %val3
+  %add4 = add i128 %add3, %val4
+  store i128 %add4, i128 *%retptr
+
+  ret void
+}