[SystemZ] Make more use of LTGFR

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

diff --git a/test/CodeGen/SystemZ/int-const-06.ll b/test/CodeGen/SystemZ/int-const-06.ll
index 9f14347cf880f488987b1dbb973200488ccc54e5..cf07c665dde787f142dc40c0cb943031f192145d 100644 (file)
--- a/test/CodeGen/SystemZ/int-const-06.ll
+++ b/test/CodeGen/SystemZ/int-const-06.ll
@@ -4,7 +4,7 @@
 
 ; Check moves of zero.
 define void @f1(i64 *%a) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
 ; CHECK: mvghi 0(%r2), 0
 ; CHECK: br %r14
   store i64 0, i64 *%a
@@ -13,7 +13,7 @@ define void @f1(i64 *%a) {
 
 ; Check the high end of the signed 16-bit range.
 define void @f2(i64 *%a) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
 ; CHECK: mvghi 0(%r2), 32767
 ; CHECK: br %r14
   store i64 32767, i64 *%a
@@ -22,7 +22,7 @@ define void @f2(i64 *%a) {
 
 ; Check the next value up, which can't use MVGHI.
 define void @f3(i64 *%a) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
 ; CHECK-NOT: mvghi
 ; CHECK: br %r14
   store i64 32768, i64 *%a
@@ -31,7 +31,7 @@ define void @f3(i64 *%a) {
 
 ; Check moves of -1.
 define void @f4(i64 *%a) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
 ; CHECK: mvghi 0(%r2), -1
 ; CHECK: br %r14
   store i64 -1, i64 *%a
@@ -40,7 +40,7 @@ define void @f4(i64 *%a) {
 
 ; Check the low end of the MVGHI range.
 define void @f5(i64 *%a) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
 ; CHECK: mvghi 0(%r2), -32768
 ; CHECK: br %r14
   store i64 -32768, i64 *%a
@@ -49,7 +49,7 @@ define void @f5(i64 *%a) {
 
 ; Check the next value down, which can't use MVGHI.
 define void @f6(i64 *%a) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
 ; CHECK-NOT: mvghi
 ; CHECK: br %r14
   store i64 -32769, i64 *%a
@@ -58,7 +58,7 @@ define void @f6(i64 *%a) {
 
 ; Check the high end of the MVGHI range.
 define void @f7(i64 *%a) {
-; CHECK: f7:
+; CHECK-LABEL: f7:
 ; CHECK: mvghi 4088(%r2), 42
 ; CHECK: br %r14
   %ptr = getelementptr i64 *%a, i64 511
@@ -66,34 +66,34 @@ define void @f7(i64 *%a) {
   ret void
 }
 
-; Check the next doubleword up, which needs separate address logic.
-; Other sequences besides this one would be OK.
+; Check the next doubleword up, which is out of range.  We prefer STG
+; in that case.
 define void @f8(i64 *%a) {
-; CHECK: f8:
-; CHECK: aghi %r2, 4096
-; CHECK: mvghi 0(%r2), 42
+; CHECK-LABEL: f8:
+; CHECK: lghi [[TMP:%r[0-5]]], 42
+; CHECK: stg [[TMP]], 4096(%r2)
 ; CHECK: br %r14
   %ptr = getelementptr i64 *%a, i64 512
   store i64 42, i64 *%ptr
   ret void
 }
 
-; Check negative displacements, which also need separate address logic.
+; Check negative displacements, for which we again prefer STG.
 define void @f9(i64 *%a) {
-; CHECK: f9:
-; CHECK: aghi %r2, -8
-; CHECK: mvghi 0(%r2), 42
+; CHECK-LABEL: f9:
+; CHECK: lghi [[TMP:%r[0-5]]], 42
+; CHECK: stg [[TMP]], -8(%r2)
 ; CHECK: br %r14
   %ptr = getelementptr i64 *%a, i64 -1
   store i64 42, i64 *%ptr
   ret void
 }
 
-; Check that MVGHI does not allow an index
+; Check that MVGHI does not allow an index.
 define void @f10(i64 %src, i64 %index) {
-; CHECK: f10:
-; CHECK: agr %r2, %r3
-; CHECK: mvghi 0(%r2), 42
+; CHECK-LABEL: f10:
+; CHECK: lghi [[TMP:%r[0-5]]], 42
+; CHECK: stg [[TMP]], 0({{%r2,%r3|%r3,%r2}})
 ; CHECK: br %r14
   %add = add i64 %src, %index
   %ptr = inttoptr i64 %add to i64 *