mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 22:32:47 +00:00
32 lines
716 B
LLVM
32 lines
716 B
LLVM
|
; RUN: opt -basicaa -gvn -S < %s | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-p:64:64:64"
|
||
|
|
|
||
|
|
; CHECK: @foo
|
||
|
|
; CHECK: entry.end_crit_edge:
|
||
|
|
; CHECK: %n.pre = load i32* %q.phi.trans.insert
|
||
|
|
; CHECK: then:
|
||
|
|
; CHECK: store i32 %z
|
||
|
|
; CHECK: end:
|
||
|
|
; CHECK: %n = phi i32 [ %n.pre, %entry.end_crit_edge ], [ %z, %then ]
|
||
|
|
; CHECK: ret i32 %n
|
||
|
|
|
||
|
|
@G = external global [100 x i32]
|
||
|
|
define i32 @foo(i32 %x, i32 %z) {
|
||
|
|
entry:
|
||
|
|
%tobool = icmp eq i32 %x, 0
|
||
|
|
br i1 %tobool, label %end, label %then
|
||
|
|
|
||
|
|
then:
|
||
|
|
%i = sext i32 %x to i64
|
||
|
|
%p = getelementptr [100 x i32]* @G, i64 0, i64 %i
|
||
|
|
store i32 %z, i32* %p
|
||
|
|
br label %end
|
||
|
|
|
||
|
|
end:
|
||
|
|
%j = sext i32 %x to i64
|
||
|
|
%q = getelementptr [100 x i32]* @G, i64 0, i64 %j
|
||
|
|
%n = load i32* %q
|
||
|
|
ret i32 %n
|
||
|
|
}
|