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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -disable-ppc-preinc-prep < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PIP
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
; Function Attrs: nounwind
define double @foo() #1 {
entry:
%x = alloca [2048 x float], align 4
%y = alloca [2048 x float], align 4
%0 = bitcast [2048 x float]* %x to i8*
call void @llvm.lifetime.start.p0i8(i64 8192, i8* %0) #2
%1 = bitcast [2048 x float]* %y to i8*
call void @llvm.lifetime.start.p0i8(i64 8192, i8* %1) #2
br label %for.body.i
; CHECK-LABEL: @foo
; CHECK: addi [[REG1:[0-9]+]], 1,
; CHECK: addi [[REG2:[0-9]+]], 1,
; CHECK: %for.body.i
; CHECK-DAG: lfs {{[0-9]+}}, 0([[REG1]])
; CHECK-DAG: lfs {{[0-9]+}}, 0([[REG2]])
; CHECK: blr
; PIP-LABEL: @foo
; PIP: addi [[REG1:[0-9]+]], 1,
; PIP: addi [[REG2:[0-9]+]], 1,
; PIP: %for.body.i
; PIP-DAG: lfsu {{[0-9]+}}, 4([[REG1]])
; PIP-DAG: lfsu {{[0-9]+}}, 4([[REG2]])
; PIP: blr
for.body.i: ; preds = %for.body.i.preheader, %for.body.i
%accumulator.09.i = phi double [ %add.i, %for.body.i ], [ 0.000000e+00, %entry ]
%i.08.i = phi i64 [ %inc.i, %for.body.i ], [ 0, %entry ]
%arrayidx.i = getelementptr inbounds [2048 x float], [2048 x float]* %x, i64 0, i64 %i.08.i
%v14 = load float, float* %arrayidx.i, align 4
%conv.i = fpext float %v14 to double
%arrayidx1.i = getelementptr inbounds [2048 x float], [2048 x float]* %y, i64 0, i64 %i.08.i
%v15 = load float, float* %arrayidx1.i, align 4
%conv2.i = fpext float %v15 to double
%mul.i = fmul double %conv.i, %conv2.i
%add.i = fadd double %accumulator.09.i, %mul.i
%inc.i = add nuw nsw i64 %i.08.i, 1
%exitcond.i = icmp eq i64 %i.08.i, 2047
br i1 %exitcond.i, label %loop.exit, label %for.body.i
loop.exit: ; preds = %for.body.i
ret double %accumulator.09.i
}
; Function Attrs: nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #2
declare void @bar(float*, float*)
; Function Attrs: nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #2
attributes #0 = { nounwind readonly }
attributes #1 = { nounwind }
attributes #2 = { nounwind }
|