Rearrange emit vs emitIAS. Wait till function is done before dumping text.

tests_lit/llvm2ice_tests/ias-multi-reloc.ll

 ; Tests the integrated assembler for instructions with multiple
 ; relocations.
 
 ; RUN: %p2i -i %s --args -O2 | FileCheck %s
 
 ; char global_char;
 ; char *p_global_char;
 ; void dummy();
 ; void store_immediate_to_global() { p_global_char = &global_char; }
 ; void add_in_place() { p_global_char += (int)&global_char; }
 ; void cmp_global_immediate() { if (p_global_char == &global_char) dummy(); }
 
 @global_char = internal global [1 x i8] zeroinitializer, align 1
 @p_global_char = internal global [4 x i8] zeroinitializer, align 4
-declare void @dummy(i32)
+declare void @dummy()
 
 define internal void @store_immediate_to_global() {
 entry:
   %p_global_char.bc = bitcast [4 x i8]* @p_global_char to i32*
   %expanded1 = ptrtoint [1 x i8]* @global_char to i32
   store i32 %expanded1, i32* %p_global_char.bc, align 1
   ret void
 }
 ; CHECK-LABEL: store_immediate_to_global
 ; CHECK: .long p_global_char
@@ skipping 15 matching lines @@
 
 define internal void @cmp_global_immediate() {
 entry:
   %p_global_char.bc = bitcast [4 x i8]* @p_global_char to i32*
   %0 = load i32* %p_global_char.bc, align 1
   %expanded1 = ptrtoint [1 x i8]* @global_char to i32
   %cmp = icmp eq i32 %0, %expanded1
   br i1 %cmp, label %if.then, label %if.end
 
 if.then:                                          ; preds = %entry
-  %dummy.bc = bitcast void (i32)* @dummy to void ()*

[Jim Stichnoth, 2014/11/06 00:02:13]

FWIW, this construct, plus the curious addition of the i32 arg to @dummy(), was
the direct result of the build_pnacl_ir.py script.

[jvoung (off chromium), 2014/11/06 00:47:13]

Hmm I wonder if it was a C oddness, where dummy() is different from dummy(void).

[Jim Stichnoth, 2014/11/06 01:18:14]

Ah, good point, that's probably it.

-  tail call void %dummy.bc()
+  tail call void @dummy()
   br label %if.end
 
 if.end:                                           ; preds = %if.then, %entry
   ret void
 }
 ; CHECK-LABEL: cmp_global_immediate
 ; CHECK: .long p_global_char
 ; CHECK: .long global_char
-; CHECK: call dummy
+; CHECK: .long dummy