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
| ; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr9 -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 -verify-machineinstrs | FileCheck %s
; Function Attrs: norecurse nounwind readonly
define signext i32 @limit_loop(i32 signext %iters, i32* nocapture readonly %vec, i32 signext %limit) local_unnamed_addr {
entry:
%cmp5 = icmp sgt i32 %iters, 0
br i1 %cmp5, label %for.body.preheader, label %cleanup
for.body.preheader: ; preds = %entry
%0 = sext i32 %iters to i64
br label %for.body
for.cond: ; preds = %for.body
%cmp = icmp slt i64 %indvars.iv.next, %0
br i1 %cmp, label %for.body, label %cleanup
for.body: ; preds = %for.body.preheader, %for.cond
%indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.cond ]
%arrayidx = getelementptr inbounds i32, i32* %vec, i64 %indvars.iv
%1 = load i32, i32* %arrayidx, align 4
%cmp1 = icmp slt i32 %1, %limit
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br i1 %cmp1, label %for.cond, label %cleanup
cleanup: ; preds = %for.body, %for.cond, %entry
%2 = phi i32 [ 0, %entry ], [ 0, %for.cond ], [ 1, %for.body ]
ret i32 %2
; CHECK-LABEL: limit_loop
; CHECK: mtctr
; CHECK-NOT: addi {{[0-9]+}}, {{[0-9]+}}, 1
; CHECK: bdnz
; CHECK: blr
}
|