Don't use a potentially expensive shift if all we want is one set bit.

[oota-llvm.git] / test / CodeGen / SystemZ / atomicrmw-nand-02.ll

diff --git a/test/CodeGen/SystemZ/atomicrmw-nand-02.ll b/test/CodeGen/SystemZ/atomicrmw-nand-02.ll
index 7a37a38ef928e6029f4512d8936faee86bd2a4ac..383c2e513eabc7f48dc7f2e678b04ad849ca47b3 100644 (file)
--- a/test/CodeGen/SystemZ/atomicrmw-nand-02.ll
+++ b/test/CodeGen/SystemZ/atomicrmw-nand-02.ll
@@ -14,15 +14,15 @@
 ;   independent of the other loop prologue instructions.
 define i16 @f1(i16 *%src, i16 %b) {
 ; CHECK: f1:
-; CHECK: sllg [[SHIFT:%r[1-9]+]], %r2, 3
-; CHECK: nill %r2, 65532
-; CHECK: l [[OLD:%r[0-9]+]], 0(%r2)
+; CHECK-DAG: sllg [[SHIFT:%r[1-9]+]], %r2, 3
+; CHECK-DAG: risbg [[BASE:%r[1-9]+]], %r2, 0, 189, 0
+; CHECK: l [[OLD:%r[0-9]+]], 0([[BASE]])
 ; CHECK: [[LABEL:\.[^:]*]]:
 ; CHECK: rll [[ROT:%r[0-9]+]], [[OLD]], 0([[SHIFT]])
 ; CHECK: nr [[ROT]], %r3
 ; CHECK: xilf [[ROT]], 4294901760
 ; CHECK: rll [[NEW:%r[0-9]+]], [[ROT]], 0({{%r[1-9]+}})
-; CHECK: cs [[OLD]], [[NEW]], 0(%r2)
+; CHECK: cs [[OLD]], [[NEW]], 0([[BASE]])
 ; CHECK: jlh [[LABEL]]
 ; CHECK: rll %r2, [[OLD]], 16([[SHIFT]])
 ; CHECK: br %r14
@@ -50,15 +50,15 @@ define i16 @f1(i16 *%src, i16 %b) {
 ; Check the minimum signed value.  We AND the rotated word with 0x8000ffff.
 define i16 @f2(i16 *%src) {
 ; CHECK: f2:
-; CHECK: sllg [[SHIFT:%r[1-9]+]], %r2, 3
-; CHECK: nill %r2, 65532
-; CHECK: l [[OLD:%r[0-9]+]], 0(%r2)
+; CHECK-DAG: sllg [[SHIFT:%r[1-9]+]], %r2, 3
+; CHECK-DAG: risbg [[BASE:%r[1-9]+]], %r2, 0, 189, 0
+; CHECK: l [[OLD:%r[0-9]+]], 0([[BASE]])
 ; CHECK: [[LABEL:\.[^:]*]]:
 ; CHECK: rll [[ROT:%r[0-9]+]], [[OLD]], 0([[SHIFT]])
 ; CHECK: nilh [[ROT]], 32768
 ; CHECK: xilf [[ROT]], 4294901760
 ; CHECK: rll [[NEW:%r[0-9]+]], [[ROT]], 0([[NEGSHIFT:%r[1-9]+]])
-; CHECK: cs [[OLD]], [[NEW]], 0(%r2)
+; CHECK: cs [[OLD]], [[NEW]], 0([[BASE]])
 ; CHECK: jlh [[LABEL]]
 ; CHECK: rll %r2, [[OLD]], 16([[SHIFT]])
 ; CHECK: br %r14