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

[oota-llvm.git] / test / CodeGen / SystemZ / atomicrmw-minmax-04.ll

diff --git a/test/CodeGen/SystemZ/atomicrmw-minmax-04.ll b/test/CodeGen/SystemZ/atomicrmw-minmax-04.ll
index 68978547d3e9f1e9d18b9af5d2db8ddc2d84558f..d6b5dcd482e06af752f21b922a88a840d4d96377 100644 (file)
--- a/test/CodeGen/SystemZ/atomicrmw-minmax-04.ll
+++ b/test/CodeGen/SystemZ/atomicrmw-minmax-04.ll
@@ -7,12 +7,11 @@ define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
 ; CHECK: f1:
 ; CHECK: lg %r2, 0(%r3)
 ; CHECK: [[LOOP:\.[^:]*]]:
-; CHECK: cgr %r2, %r4
 ; CHECK: lgr [[NEW:%r[0-9]+]], %r2
-; CHECK: j{{g?}}le [[KEEP:\..*]]
+; CHECK: cgrjle %r2, %r4, [[KEEP:\..*]]
 ; CHECK: lgr [[NEW]], %r4
 ; CHECK: csg %r2, [[NEW]], 0(%r3)
-; CHECK: j{{g?}}lh [[LOOP]]
+; CHECK: jlh [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw min i64 *%src, i64 %b seq_cst
   ret i64 %res
@@ -23,12 +22,11 @@ define i64 @f2(i64 %dummy, i64 *%src, i64 %b) {
 ; CHECK: f2:
 ; CHECK: lg %r2, 0(%r3)
 ; CHECK: [[LOOP:\.[^:]*]]:
-; CHECK: cgr %r2, %r4
 ; CHECK: lgr [[NEW:%r[0-9]+]], %r2
-; CHECK: j{{g?}}he [[KEEP:\..*]]
+; CHECK: cgrjhe %r2, %r4, [[KEEP:\..*]]
 ; CHECK: lgr [[NEW]], %r4
 ; CHECK: csg %r2, [[NEW]], 0(%r3)
-; CHECK: j{{g?}}lh [[LOOP]]
+; CHECK: jlh [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw max i64 *%src, i64 %b seq_cst
   ret i64 %res
@@ -41,10 +39,10 @@ define i64 @f3(i64 %dummy, i64 *%src, i64 %b) {
 ; CHECK: [[LOOP:\.[^:]*]]:
 ; CHECK: clgr %r2, %r4
 ; CHECK: lgr [[NEW:%r[0-9]+]], %r2
-; CHECK: j{{g?}}le [[KEEP:\..*]]
+; CHECK: jle [[KEEP:\..*]]
 ; CHECK: lgr [[NEW]], %r4
 ; CHECK: csg %r2, [[NEW]], 0(%r3)
-; CHECK: j{{g?}}lh [[LOOP]]
+; CHECK: jlh [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw umin i64 *%src, i64 %b seq_cst
   ret i64 %res
@@ -57,10 +55,10 @@ define i64 @f4(i64 %dummy, i64 *%src, i64 %b) {
 ; CHECK: [[LOOP:\.[^:]*]]:
 ; CHECK: clgr %r2, %r4
 ; CHECK: lgr [[NEW:%r[0-9]+]], %r2
-; CHECK: j{{g?}}he [[KEEP:\..*]]
+; CHECK: jhe [[KEEP:\..*]]
 ; CHECK: lgr [[NEW]], %r4
 ; CHECK: csg %r2, [[NEW]], 0(%r3)
-; CHECK: j{{g?}}lh [[LOOP]]
+; CHECK: jlh [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw umax i64 *%src, i64 %b seq_cst
   ret i64 %res
@@ -125,18 +123,17 @@ define i64 @f9(i64 %dummy, i64 %base, i64 %index, i64 %b) {
   ret i64 %res
 }
 
-; Check that constants are forced into a register.
+; Check that constants are handled.
 define i64 @f10(i64 %dummy, i64 *%ptr) {
 ; CHECK: f10:
 ; CHECK: lghi [[LIMIT:%r[0-9]+]], 42
 ; CHECK: lg %r2, 0(%r3)
 ; CHECK: [[LOOP:\.[^:]*]]:
-; CHECK: cgr %r2, [[LIMIT]]
 ; CHECK: lgr [[NEW:%r[0-9]+]], %r2
-; CHECK: j{{g?}}le [[KEEP:\..*]]
-; CHECK: lgr [[NEW]], [[LIMIT]]
+; CHECK: cgrjle %r2, [[LIMIT]], [[KEEP:\..*]]
+; CHECK: lghi [[NEW]], 42
 ; CHECK: csg %r2, [[NEW]], 0(%r3)
-; CHECK: j{{g?}}lh [[LOOP]]
+; CHECK: jlh [[LOOP]]
 ; CHECK: br %r14
   %res = atomicrmw min i64 *%ptr, i64 42 seq_cst
   ret i64 %res