1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
| ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=ppc64 | FileCheck %s
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
define signext i32 @foo() #0 {
entry:
%v = alloca [8200 x i32], align 4
%w = alloca [8200 x i32], align 4
%q = alloca [8200 x i32], align 4
%0 = bitcast [8200 x i32]* %v to i8*
call void @llvm.lifetime.start.p0i8(i64 32800, i8* %0) #0
%1 = bitcast [8200 x i32]* %w to i8*
call void @llvm.lifetime.start.p0i8(i64 32800, i8* %1) #0
%2 = bitcast [8200 x i32]* %q to i8*
call void @llvm.lifetime.start.p0i8(i64 32800, i8* %2) #0
%arraydecay = getelementptr inbounds [8200 x i32], [8200 x i32]* %q, i64 0, i64 0
%arraydecay1 = getelementptr inbounds [8200 x i32], [8200 x i32]* %v, i64 0, i64 0
%arraydecay2 = getelementptr inbounds [8200 x i32], [8200 x i32]* %w, i64 0, i64 0
call void @bar(i32* %arraydecay, i32* %arraydecay1, i32* %arraydecay2) #0
%3 = load i32, i32* %arraydecay2, align 4
%arrayidx3 = getelementptr inbounds [8200 x i32], [8200 x i32]* %w, i64 0, i64 1
%4 = load i32, i32* %arrayidx3, align 4
; CHECK: @foo
; CHECK-NOT: lwzx
; CHECK: lwz {{[0-9]+}}, 0([[REG:[0-9]+]])
; CHECK: lwz {{[0-9]+}}, 4([[REG]])
; CHECK: blr
%add = add nsw i32 %4, %3
call void @llvm.lifetime.end.p0i8(i64 32800, i8* %2) #0
call void @llvm.lifetime.end.p0i8(i64 32800, i8* %1) #0
call void @llvm.lifetime.end.p0i8(i64 32800, i8* %0) #0
ret i32 %add
}
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0
declare void @bar(i32*, i32*, i32*)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
attributes #0 = { nounwind }
|