X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FCodeGen%2FX86%2Fpic_jumptable.ll;h=8c1992a24ece5ef4672e4eaf2773f37b095ceb15;hb=b5b07c36862e772571fcbfa459fa9780615ec42b;hp=1731feb58e91d29239746eeb06c63533024f62a3;hpb=42bf74be1402df7409efbea089310d4c276fde37;p=oota-llvm.git

diff --git a/test/CodeGen/X86/pic_jumptable.ll b/test/CodeGen/X86/pic_jumptable.ll
index 1731feb58e9..8c1992a24ec 100644
--- a/test/CodeGen/X86/pic_jumptable.ll
+++ b/test/CodeGen/X86/pic_jumptable.ll
@@ -1,15 +1,37 @@
-; RUN: llvm-as < %s | llc -relocation-model=pic -mtriple=i386-linux-gnu -asm-verbose=false | not grep -F .text
-; RUN: llvm-as < %s | llc -relocation-model=pic -mtriple=i686-apple-darwin -asm-verbose=false | not grep lea
-; RUN: llvm-as < %s | llc -relocation-model=pic -mtriple=i686-apple-darwin -asm-verbose=false | grep add | count 2
+; RUN: llc < %s -relocation-model=pic -mtriple=i386-linux-gnu -asm-verbose=false \
+; RUN:   | FileCheck %s --check-prefix=CHECK-LINUX
+; RUN: llc < %s -relocation-model=pic -mark-data-regions -mtriple=i686-apple-darwin -asm-verbose=false \
+; RUN:   | FileCheck %s --check-prefix=CHECK-DATA
+; RUN: llc < %s -relocation-model=pic -mtriple=i686-apple-darwin -asm-verbose=false \
+; RUN:   | FileCheck %s
+; RUN: llc < %s                       -mtriple=x86_64-apple-darwin | not grep 'lJTI'
+; rdar://6971437
+; rdar://7738756
 
 declare void @_Z3bari(i32)
 
-define linkonce void @_Z3fooILi1EEvi(i32 %Y) {
+; CHECK-LINUX: _Z3fooILi1EEvi:
+define linkonce void @_Z3fooILi1EEvi(i32 %Y) nounwind {
 entry:
+; CHECK:       L0$pb
+; CHECK-NOT:   leal
+; CHECK:       Ltmp0 = LJTI0_0-L0$pb
+; CHECK-NEXT:  addl Ltmp0(%eax,%ecx,4)
+; CHECK-NEXT:  jmpl *%eax
+
+;; When data-in-code markers are enabled, we should see them around the jump
+;; table.
+; CHECK-DATA: .data_region jt32
+; CHECK-DATA: LJTI0_0
+; CHECK-DATA: .end_data_region
+
+;; When they're not enabled, make sure we don't see them at all.
+; CHECK-NOT: .data_region
+; CHECK-LINUX-NOT: .data_region
 	%Y_addr = alloca i32		; <i32*> [#uses=2]
 	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
 	store i32 %Y, i32* %Y_addr
-	%tmp = load i32* %Y_addr		; <i32> [#uses=1]
+	%tmp = load i32, i32* %Y_addr		; <i32> [#uses=1]
 	switch i32 %tmp, label %bb10 [
 		 i32 0, label %bb3
 		 i32 1, label %bb
@@ -33,13 +55,15 @@ entry:
 	]
 
 bb:		; preds = %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry
+	call void @_Z3bari( i32 0 )
 	br label %bb1
 
 bb1:		; preds = %bb, %entry
+	call void @_Z3bari( i32 1 )
 	br label %bb2
 
 bb2:		; preds = %bb1, %entry
-	call void @_Z3bari( i32 1 )
+	call void @_Z3bari( i32 2 )
 	br label %bb11
 
 bb3:		; preds = %entry