mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
40 lines
1.4 KiB
LLVM
40 lines
1.4 KiB
LLVM
; RUN: opt -codegenprepare -S < %s | FileCheck %s
|
|
; CHECK: for.body.preheader
|
|
|
|
@N = common global i32 0, align 4
|
|
@E = common global i8** null, align 8
|
|
@B = common global i8** null, align 8
|
|
|
|
; Function Attrs: nounwind
|
|
define i32 @foo() {
|
|
entry:
|
|
%0 = load i32, i32* @N, align 4
|
|
%1 = load i8**, i8*** @E, align 8
|
|
%2 = load i8**, i8*** @B, align 8
|
|
%cmp7 = icmp eq i8** %2, %1
|
|
br i1 %cmp7, label %for.cond.cleanup, label %for.body.preheader
|
|
|
|
for.body.preheader: ; preds = %entry
|
|
br label %for.body
|
|
|
|
for.cond.cleanup.loopexit: ; preds = %for.body
|
|
%add.lcssa = phi i32 [ %add, %for.body ]
|
|
br label %for.cond.cleanup
|
|
|
|
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
|
|
%n.0.lcssa = phi i32 [ %0, %entry ], [ %add.lcssa, %for.cond.cleanup.loopexit ]
|
|
ret i32 %n.0.lcssa
|
|
|
|
for.body: ; preds = %for.body.preheader, %for.body
|
|
%I.09 = phi i8** [ %incdec.ptr, %for.body ], [ %2, %for.body.preheader ]
|
|
%n.08 = phi i32 [ %add, %for.body ], [ %0, %for.body.preheader ]
|
|
%3 = load i8*, i8** %I.09, align 8
|
|
%call = tail call i32 @map(i8* %3)
|
|
%add = add nsw i32 %call, %n.08
|
|
%incdec.ptr = getelementptr inbounds i8*, i8** %I.09, i64 1
|
|
%cmp = icmp eq i8** %incdec.ptr, %1
|
|
br i1 %cmp, label %for.cond.cleanup.loopexit, label %for.body
|
|
}
|
|
|
|
declare i32 @map(i8*)
|