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llvm-mirror/test/Transforms/MergeFunc/inttoptr-address-space.ll
JF Bastien bb46c62876 [MergeFuncs] Fix callsite attributes in thunk generation
This change correctly sets the attributes on the callsites
generated in thunks. This makes sure things such as sret, sext, etc.
are correctly set, so that the call can be a proper tailcall.

Also, the transfer of attributes in the replaceDirectCallers function
appears to be unnecessary, but until this is confirmed it will remain.

Author: jrkoenig
Reviewers: dschuff, jfb
Subscribers: llvm-commits, nlewycky
Differential revision: http://reviews.llvm.org/D12581

llvm-svn: 247313
2015-09-10 18:08:35 +00:00

30 lines
1.2 KiB
LLVM

; RUN: opt -mergefunc -S < %s | FileCheck %s
target datalayout = "e-p:32:32:32-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-n8:16:32-S128"
%.qux.2496 = type { i32, %.qux.2497 }
%.qux.2497 = type { i8, i32 }
%.qux.2585 = type { i32, i32, i8* }
@g2 = external addrspace(1) constant [9 x i8], align 1
@g3 = internal unnamed_addr constant [1 x i8*] [i8* bitcast (i8* (%.qux.2585 addrspace(1)*)* @func35 to i8*)]
define internal i32 @func10(%.qux.2496 addrspace(1)* nocapture %this) align 2 {
bb:
%tmp = getelementptr inbounds %.qux.2496, %.qux.2496 addrspace(1)* %this, i32 0, i32 1, i32 1
%tmp1 = load i32, i32 addrspace(1)* %tmp, align 4
ret i32 %tmp1
}
; Check for pointer bitwidth equal assertion failure
define internal i8* @func35(%.qux.2585 addrspace(1)* nocapture %this) align 2 {
bb:
; CHECK-LABEL: @func35(
; CHECK: %[[V2:.+]] = bitcast %.qux.2585 addrspace(1)* %{{.*}} to %.qux.2496 addrspace(1)*
; CHECK: %[[V3:.+]] = tail call i32 @func10(%.qux.2496 addrspace(1)* nocapture %[[V2]])
; CHECK: %{{.*}} = inttoptr i32 %[[V3]] to i8*
%tmp = getelementptr inbounds %.qux.2585, %.qux.2585 addrspace(1)* %this, i32 0, i32 2
%tmp1 = load i8*, i8* addrspace(1)* %tmp, align 4
ret i8* %tmp1
}