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

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

diff --git a/test/CodeGen/SystemZ/cmpxchg-01.ll b/test/CodeGen/SystemZ/cmpxchg-01.ll
index e8488615bd1a60af94be5ce54cdc9d340b4ecc8b..bbb0aabb07e4fd3cb2763b35d81b4424239146b7 100644 (file)
--- a/test/CodeGen/SystemZ/cmpxchg-01.ll
+++ b/test/CodeGen/SystemZ/cmpxchg-01.ll
@@ -12,17 +12,16 @@
 ;   which shift %r3 left so that %b is at the high end of the word).
 define i8 @f1(i8 %dummy, i8 *%src, i8 %cmp, i8 %swap) {
 ; CHECK-MAIN: f1:
-; CHECK-MAIN: sllg [[SHIFT:%r[1-9]+]], %r3, 3
-; CHECK-MAIN: nill %r3, 65532
-; CHECK-MAIN: l [[OLD:%r[0-9]+]], 0(%r3)
+; CHECK-MAIN-DAG: sllg [[SHIFT:%r[1-9]+]], %r3, 3
+; CHECK-MAIN-DAG: risbg [[BASE:%r[1-9]+]], %r3, 0, 189, 0
+; CHECK-MAIN: l [[OLD:%r[0-9]+]], 0([[BASE]])
 ; CHECK-MAIN: [[LOOP:\.[^ ]*]]:
 ; CHECK-MAIN: rll %r2, [[OLD]], 8([[SHIFT]])
 ; CHECK-MAIN: risbg %r4, %r2, 32, 55, 0
-; CHECK-MAIN: cr %r2, %r4
-; CHECK-MAIN: jlh [[EXIT:\.[^ ]*]]
+; CHECK-MAIN: crjlh %r2, %r4, [[EXIT:\.[^ ]*]]
 ; CHECK-MAIN: risbg %r5, %r2, 32, 55, 0
 ; CHECK-MAIN: rll [[NEW:%r[0-9]+]], %r5, -8({{%r[1-9]+}})
-; CHECK-MAIN: cs [[OLD]], [[NEW]], 0(%r3)
+; CHECK-MAIN: cs [[OLD]], [[NEW]], 0([[BASE]])
 ; CHECK-MAIN: jlh [[LOOP]]
 ; CHECK-MAIN: [[EXIT]]:
 ; CHECK-MAIN-NOT: %r2