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
|
; RUN: opt -loop-load-elim -S %s | FileCheck %s
; RUN: opt -passes=loop-load-elim -S %s | FileCheck %s
; REQUIRES: asserts
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
target triple = "x86_64-unknown-linux-gnu"
; Make sure it does not crash with assert.
define void @test() {
; CHECK-LABEL: test
bb:
br label %bb1
bb1: ; preds = %bb6, %bb1, %bb
%tmp = phi i32 [ undef, %bb ], [ 0, %bb1 ], [ %tmp3, %bb6 ]
br i1 undef, label %bb1, label %bb2
bb2: ; preds = %bb1
%tmp3 = add i32 %tmp, 1
%tmp4 = icmp ult i32 %tmp, undef
br i1 %tmp4, label %bb6, label %bb5
bb5: ; preds = %bb2
ret void
bb6: ; preds = %bb2
br i1 undef, label %bb7, label %bb1
bb7: ; preds = %bb7, %bb6
%tmp8 = phi i32 [ %tmp15, %bb7 ], [ %tmp3, %bb6 ]
%tmp9 = phi i32 [ %tmp8, %bb7 ], [ %tmp, %bb6 ]
%tmp10 = zext i32 %tmp9 to i64
%tmp11 = getelementptr inbounds float, float addrspace(1)* null, i64 %tmp10
%tmp12 = load float, float addrspace(1)* %tmp11, align 4
%tmp13 = zext i32 %tmp8 to i64
%tmp14 = getelementptr inbounds float, float addrspace(1)* null, i64 %tmp13
store float 1.000000e+00, float addrspace(1)* %tmp14, align 4
%tmp15 = add nuw nsw i32 %tmp8, 1
%tmp16 = icmp sgt i32 %tmp8, 78
br i1 %tmp16, label %bb17, label %bb7
bb17: ; preds = %bb7
unreachable
}
|
