1 ; RUN: llc < %s -verify-coalescing
4 ; PHI elimination splits the critical edge from %while.end415 to %if.end427.
5 ; This requires updating the BNE-J terminators to a BEQ. The BNE instruction
6 ; kills a virtual register, and LiveVariables must be updated with the new kill
9 target datalayout = "E-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-n32"
10 target triple = "mips-ellcc-linux"
12 define i32 @mergesort(i8* %base, i32 %nmemb, i32 %size, i32 (i8*, i8*)* nocapture %cmp) nounwind {
14 br i1 undef, label %return, label %if.end13
16 if.end13: ; preds = %entry
19 while.body: ; preds = %while.body, %if.end13
20 %list1.0482 = phi i8* [ %base, %if.end13 ], [ null, %while.body ]
21 br i1 undef, label %while.end415, label %while.body
23 while.end415: ; preds = %while.body
24 br i1 undef, label %if.then419, label %if.end427
26 if.then419: ; preds = %while.end415
27 %call425 = tail call i8* @memmove(i8* %list1.0482, i8* undef, i32 undef) nounwind
30 if.end427: ; preds = %if.then419, %while.end415
31 %list2.1 = phi i8* [ undef, %if.then419 ], [ %list1.0482, %while.end415 ]
32 tail call void @free(i8* %list2.1)
35 return: ; preds = %entry
40 declare i8* @memmove(i8*, i8*, i32)
42 declare void @free(i8*)