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

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

diff --git a/test/CodeGen/SystemZ/branch-02.ll b/test/CodeGen/SystemZ/branch-02.ll
index cde9b568b38c4327e7f7a2a59790d3ad34221e6d..9f71c053c7beedee39ced2f906d6db533c592522 100644 (file)
--- a/test/CodeGen/SystemZ/branch-02.ll
+++ b/test/CodeGen/SystemZ/branch-02.ll
@@ -1,5 +1,6 @@
 ; Test all condition-code masks that are relevant for signed integer
-; comparisons.
+; comparisons, in cases where a separate branch is better than COMPARE
+; AND BRANCH.
 ;
 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
 
@@ -8,7 +9,7 @@ define void @f1(i32 *%src, i32 %target) {
 ; CHECK: .cfi_startproc
 ; CHECK: .L[[LABEL:.*]]:
 ; CHECK: c %r3, 0(%r2)
-; CHECK-NEXT: j{{g?}}e .L[[LABEL]]
+; CHECK-NEXT: je .L[[LABEL]]
   br label %loop
 loop:
   %val = load volatile i32 *%src
@@ -23,7 +24,7 @@ define void @f2(i32 *%src, i32 %target) {
 ; CHECK: .cfi_startproc
 ; CHECK: .L[[LABEL:.*]]:
 ; CHECK: c %r3, 0(%r2)
-; CHECK-NEXT: j{{g?}}lh .L[[LABEL]]
+; CHECK-NEXT: jlh .L[[LABEL]]
   br label %loop
 loop:
   %val = load volatile i32 *%src
@@ -38,7 +39,7 @@ define void @f3(i32 *%src, i32 %target) {
 ; CHECK: .cfi_startproc
 ; CHECK: .L[[LABEL:.*]]:
 ; CHECK: c %r3, 0(%r2)
-; CHECK-NEXT: j{{g?}}le .L[[LABEL]]
+; CHECK-NEXT: jle .L[[LABEL]]
   br label %loop
 loop:
   %val = load volatile i32 *%src
@@ -53,7 +54,7 @@ define void @f4(i32 *%src, i32 %target) {
 ; CHECK: .cfi_startproc
 ; CHECK: .L[[LABEL:.*]]:
 ; CHECK: c %r3, 0(%r2)
-; CHECK-NEXT: j{{g?}}l .L[[LABEL]]
+; CHECK-NEXT: jl .L[[LABEL]]
   br label %loop
 loop:
   %val = load volatile i32 *%src
@@ -68,7 +69,7 @@ define void @f5(i32 *%src, i32 %target) {
 ; CHECK: .cfi_startproc
 ; CHECK: .L[[LABEL:.*]]:
 ; CHECK: c %r3, 0(%r2)
-; CHECK-NEXT: j{{g?}}h .L[[LABEL]]
+; CHECK-NEXT: jh .L[[LABEL]]
   br label %loop
 loop:
   %val = load volatile i32 *%src
@@ -83,7 +84,7 @@ define void @f6(i32 *%src, i32 %target) {
 ; CHECK: .cfi_startproc
 ; CHECK: .L[[LABEL:.*]]:
 ; CHECK: c %r3, 0(%r2)
-; CHECK-NEXT: j{{g?}}he .L[[LABEL]]
+; CHECK-NEXT: jhe .L[[LABEL]]
   br label %loop
 loop:
   %val = load volatile i32 *%src