summaryrefslogtreecommitdiff
path: root/test/Transforms/BranchFolding
diff options
context:
space:
mode:
authorBill Wendling <isanbard@gmail.com>2007-10-19 21:09:55 +0000
committerBill Wendling <isanbard@gmail.com>2007-10-19 21:09:55 +0000
commit80629c85f1041df41b5158ebb03a4725af6ecd90 (patch)
tree8205a201289b28b8c61e611af09d640a9979a73b /test/Transforms/BranchFolding
parent7f5f6851c386e1f74d35ee708e4654ae1c1038b6 (diff)
downloadllvm-80629c85f1041df41b5158ebb03a4725af6ecd90.tar.gz
llvm-80629c85f1041df41b5158ebb03a4725af6ecd90.tar.bz2
llvm-80629c85f1041df41b5158ebb03a4725af6ecd90.tar.xz
Don't branch fold inline asm statements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43191 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/BranchFolding')
-rw-r--r--test/Transforms/BranchFolding/2007-10-19-InlineAsmDirectives.ll18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/BranchFolding/2007-10-19-InlineAsmDirectives.ll b/test/Transforms/BranchFolding/2007-10-19-InlineAsmDirectives.ll
new file mode 100644
index 0000000000..8afdcae50a
--- /dev/null
+++ b/test/Transforms/BranchFolding/2007-10-19-InlineAsmDirectives.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | opt -std-compile-opts -o - | llc -o - | grep bork_directive | wc -l | grep 2
+
+;; We don't want branch folding to fold asm directives.
+
+define void @bork(i32 %param) {
+entry:
+ %tmp = icmp eq i32 %param, 0
+ br i1 %tmp, label %cond_true, label %cond_false
+
+cond_true:
+ call void asm sideeffect ".bork_directive /* ${0:c}:${1:c} */", "i,i,~{dirflag},~{fpsr},~{flags}"( i32 37, i32 927 )
+ ret void
+
+cond_false:
+ call void asm sideeffect ".foo_directive ${0:c}:${1:c}", "i,i,~{dirflag},~{fpsr},~{flags}"( i32 37, i32 927 )
+ call void asm sideeffect ".bork_directive /* ${0:c}:${1:c} */", "i,i,~{dirflag},~{fpsr},~{flags}"( i32 37, i32 927 )
+ ret void
+}