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comparison llvm/test/Transforms/CodeGenPrepare/X86/sink-addrspacecast.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children 1f2b6ac9f198
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147:c2174574ed3a 150:1d019706d866
1 ; RUN: opt -S -codegenprepare < %s | FileCheck %s -check-prefix=CHECK -check-prefix=GEP
2
3 target datalayout =
4 "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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
5 target triple = "x86_64-unknown-linux-gnu"
6
7 ; CHECK-LABEL: @load_cast_gep
8 ; GEP: [[CAST:%[0-9]+]] = addrspacecast i64* %base to i8 addrspace(1)*
9 ; GEP: getelementptr inbounds i8, i8 addrspace(1)* [[CAST]], i64 40
10 define void @load_cast_gep(i1 %cond, i64* %base) {
11 entry:
12 %addr = getelementptr inbounds i64, i64* %base, i64 5
13 %casted = addrspacecast i64* %addr to i32 addrspace(1)*
14 br i1 %cond, label %if.then, label %fallthrough
15
16 if.then:
17 %v = load i32, i32 addrspace(1)* %casted, align 4
18 br label %fallthrough
19
20 fallthrough:
21 ret void
22 }
23
24 ; CHECK-LABEL: @store_gep_cast
25 ; GEP: [[CAST:%[0-9]+]] = addrspacecast i64* %base to i8 addrspace(1)*
26 ; GEP: getelementptr inbounds i8, i8 addrspace(1)* [[CAST]], i64 20
27 define void @store_gep_cast(i1 %cond, i64* %base) {
28 entry:
29 %casted = addrspacecast i64* %base to i32 addrspace(1)*
30 %addr = getelementptr inbounds i32, i32 addrspace(1)* %casted, i64 5
31 br i1 %cond, label %if.then, label %fallthrough
32
33 if.then:
34 store i32 0, i32 addrspace(1)* %addr, align 4
35 br label %fallthrough
36
37 fallthrough:
38 ret void
39 }