diff --git a/llvm/test/CodeGen/X86/2009-03-13-PHIElimBug.ll b/llvm/test/CodeGen/X86/2009-03-13-PHIElimBug.ll
index 8d42627..2853930 100644
--- a/llvm/test/CodeGen/X86/2009-03-13-PHIElimBug.ll
+++ b/llvm/test/CodeGen/X86/2009-03-13-PHIElimBug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 | FileCheck %s
+; RUN: llc < %s -mtriple=i686-linux | FileCheck %s
 ; Check the register copy comes after the call to f and before the call to g
 ; PR3784
 
diff --git a/llvm/test/CodeGen/X86/2009-03-16-PHIElimInLPad.ll b/llvm/test/CodeGen/X86/2009-03-16-PHIElimInLPad.ll
index da493d4..b13d33e 100644
--- a/llvm/test/CodeGen/X86/2009-03-16-PHIElimInLPad.ll
+++ b/llvm/test/CodeGen/X86/2009-03-16-PHIElimInLPad.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -asm-verbose | FileCheck %s
+; RUN: llc < %s -mtriple=i686-linux -asm-verbose | FileCheck %s
 ; Check that register copies in the landing pad come after the EH_LABEL
 
 declare i32 @f()
diff --git a/llvm/test/CodeGen/X86/dyn-stackalloc.ll b/llvm/test/CodeGen/X86/dyn-stackalloc.ll
index 1df0920..e577611 100644
--- a/llvm/test/CodeGen/X86/dyn-stackalloc.ll
+++ b/llvm/test/CodeGen/X86/dyn-stackalloc.ll
@@ -1,6 +1,6 @@
-; RUN: llc < %s -march=x86 | not egrep {\\\$4294967289|-7}
-; RUN: llc < %s -march=x86 | egrep {\\\$4294967280|-16}
-; RUN: llc < %s -march=x86-64 | grep {\\-16}
+; RUN: llc < %s -mtriple=i686-linux | not egrep {\\\$4294967289|-7}
+; RUN: llc < %s -mtriple=i686-linux | egrep {\\\$4294967280|-16}
+; RUN: llc < %s -mtriple=x86_64-linux | grep {\\-16}
 
 define void @t() nounwind {
 A: