Modify pnacl subzero to be able to read pnacl bitcode files.

tests_lit/llvm2ice_tests/alloc.ll

Index: tests_lit/llvm2ice_tests/alloc.ll
diff --git a/tests_lit/llvm2ice_tests/alloc.ll b/tests_lit/llvm2ice_tests/alloc.ll
index f7a204005dd7f2a84f69b947f5a5016786230162..b2f90e43d51586d3d6e6860db095450f67dbd163 100644
--- a/tests_lit/llvm2ice_tests/alloc.ll
+++ b/tests_lit/llvm2ice_tests/alloc.ll
@@ -1,12 +1,14 @@
 ; RUIN: %llvm2ice --verbose none %s | FileCheck %s
 ; RUIN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s
-; RUN: %szdiff --llvm2ice=%llvm2ice %s | FileCheck --check-prefix=DUMP %s
+; RUN: %llvm2iceinsts %s | %szdiff %s | FileCheck --check-prefix=DUMP %s
+; RUN: %llvm2iceinsts --pnacl %s | %szdiff %s \
+; RUN:                           | FileCheck --check-prefix=DUMP %s
 
 define void @fixed_400(i32 %n) {
 entry:
   %array = alloca i8, i32 400, align 16
-  %array.asint = ptrtoint i8* %array to i32
-  call void @f1(i32 %array.asint)
+  %__2 = ptrtoint i8* %array to i32
+  call void @f1(i32 %__2)
   ret void
   ; CHECK:      sub     esp, 400
   ; CHECK-NEXT: mov     eax, esp
@@ -19,8 +21,8 @@ declare void @f1(i32)
 define void @variable_n(i32 %n) {
 entry:
   %array = alloca i8, i32 %n, align 16
-  %array.asint = ptrtoint i8* %array to i32
-  call void @f2(i32 %array.asint)
+  %__2 = ptrtoint i8* %array to i32
+  call void @f2(i32 %__2)
   ret void
   ; CHECK:      mov     eax, dword ptr [ebp+8]
   ; CHECK-NEXT: sub     esp, eax