[SystemZ] Add zero-extending high-word loads (LLCH and LLHH)

[oota-llvm.git] / test / CodeGen / SystemZ / int-const-04.ll

diff --git a/test/CodeGen/SystemZ/int-const-04.ll b/test/CodeGen/SystemZ/int-const-04.ll
index 41c7306c89aa27331218a5ed6f0271c1b6523067..aced50b5601b3db4adcbe6b80fee402a24359353 100644 (file)
--- a/test/CodeGen/SystemZ/int-const-04.ll
+++ b/test/CodeGen/SystemZ/int-const-04.ll
@@ -4,7 +4,7 @@
 
 ; Check the low end of the unsigned range.
 define void @f1(i16 *%ptr) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
 ; CHECK: mvhhi 0(%r2), 0
 ; CHECK: br %r14
   store i16 0, i16 *%ptr
@@ -13,7 +13,7 @@ define void @f1(i16 *%ptr) {
 
 ; Check the high end of the signed range.
 define void @f2(i16 *%ptr) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
 ; CHECK: mvhhi 0(%r2), 32767
 ; CHECK: br %r14
   store i16 32767, i16 *%ptr
@@ -22,7 +22,7 @@ define void @f2(i16 *%ptr) {
 
 ; Check the next value up.
 define void @f3(i16 *%ptr) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
 ; CHECK: mvhhi 0(%r2), -32768
 ; CHECK: br %r14
   store i16 -32768, i16 *%ptr
@@ -31,7 +31,7 @@ define void @f3(i16 *%ptr) {
 
 ; Check the high end of the unsigned range.
 define void @f4(i16 *%ptr) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
 ; CHECK: mvhhi 0(%r2), -1
 ; CHECK: br %r14
   store i16 65535, i16 *%ptr
@@ -40,7 +40,7 @@ define void @f4(i16 *%ptr) {
 
 ; Check -1.
 define void @f5(i16 *%ptr) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
 ; CHECK: mvhhi 0(%r2), -1
 ; CHECK: br %r14
   store i16 -1, i16 *%ptr
@@ -49,7 +49,7 @@ define void @f5(i16 *%ptr) {
 
 ; Check the low end of the signed range.
 define void @f6(i16 *%ptr) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
 ; CHECK: mvhhi 0(%r2), -32768
 ; CHECK: br %r14
   store i16 -32768, i16 *%ptr
@@ -58,7 +58,7 @@ define void @f6(i16 *%ptr) {
 
 ; Check the next value down.
 define void @f7(i16 *%ptr) {
-; CHECK: f7:
+; CHECK-LABEL: f7:
 ; CHECK: mvhhi 0(%r2), 32767
 ; CHECK: br %r14
   store i16 -32769, i16 *%ptr
@@ -67,7 +67,7 @@ define void @f7(i16 *%ptr) {
 
 ; Check the high end of the MVHHI range.
 define void @f8(i16 *%a) {
-; CHECK: f8:
+; CHECK-LABEL: f8:
 ; CHECK: mvhhi 4094(%r2), 42
 ; CHECK: br %r14
   %ptr = getelementptr i16 *%a, i64 2047
@@ -75,34 +75,34 @@ define void @f8(i16 *%a) {
   ret void
 }
 
-; Check the next halfword up, which needs separate address logic.
-; Other sequences besides this one would be OK.
+; Check the next halfword up, which is out of range.  We prefer STHY
+; in that case.
 define void @f9(i16 *%a) {
-; CHECK: f9:
-; CHECK: aghi %r2, 4096
-; CHECK: mvhhi 0(%r2), 42
+; CHECK-LABEL: f9:
+; CHECK: lhi [[TMP:%r[0-5]]], 42
+; CHECK: sthy [[TMP]], 4096(%r2)
 ; CHECK: br %r14
   %ptr = getelementptr i16 *%a, i64 2048
   store i16 42, i16 *%ptr
   ret void
 }
 
-; Check negative displacements, which also need separate address logic.
+; Check negative displacements, for which we again prefer STHY.
 define void @f10(i16 *%a) {
-; CHECK: f10:
-; CHECK: aghi %r2, -2
-; CHECK: mvhhi 0(%r2), 42
+; CHECK-LABEL: f10:
+; CHECK: lhi [[TMP:%r[0-5]]], 42
+; CHECK: sthy [[TMP]], -2(%r2)
 ; CHECK: br %r14
   %ptr = getelementptr i16 *%a, i64 -1
   store i16 42, i16 *%ptr
   ret void
 }
 
-; Check that MVHHI does not allow an index
+; Check that MVHHI does not allow an index.
 define void @f11(i64 %src, i64 %index) {
-; CHECK: f11:
-; CHECK: agr %r2, %r3
-; CHECK: mvhhi 0(%r2), 42
+; CHECK-LABEL: f11:
+; CHECK: lhi [[TMP:%r[0-5]]], 42
+; CHECK: sth [[TMP]], 0({{%r2,%r3|%r3,%r2}})
 ; CHECK: br %r14
   %add = add i64 %src, %index
   %ptr = inttoptr i64 %add to i16 *