| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 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 | } |