mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-21 18:29:45 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.5 KiB
LLVM
48 lines
1.5 KiB
LLVM
; RUN: opt < %s -deadargelim -S | FileCheck %s
|
|
|
|
%Ty = type <{ i32, i32 }>
|
|
|
|
; Check if the pass doesn't modify anything that doesn't need changing. We feed
|
|
; an unused argument to each function to lure it into changing _something_ about
|
|
; the function and then changing too much.
|
|
|
|
; This checks if the return value attributes are not removed
|
|
; CHECK: define internal zeroext i32 @test1() #0
|
|
define internal zeroext i32 @test1(i32 %DEADARG1) nounwind {
|
|
ret i32 1
|
|
}
|
|
|
|
; This checks if the struct doesn't get non-packed
|
|
; CHECK-LABEL: define internal <{ i32, i32 }> @test2(
|
|
define internal <{ i32, i32 }> @test2(i32 %DEADARG1) {
|
|
ret <{ i32, i32 }> <{ i32 1, i32 2 }>
|
|
}
|
|
|
|
; We use this external function to make sure the return values don't become dead
|
|
declare void @user(i32, <{ i32, i32 }>)
|
|
|
|
define void @caller() {
|
|
%B = call i32 @test1(i32 1)
|
|
%C = call <{ i32, i32 }> @test2(i32 2)
|
|
call void @user(i32 %B, <{ i32, i32 }> %C)
|
|
ret void
|
|
}
|
|
|
|
; We can't remove 'this' here, as that would put argmem in ecx instead of
|
|
; memory.
|
|
define internal x86_thiscallcc i32 @unused_this(i32* %this, i32* inalloca %argmem) {
|
|
%v = load i32, i32* %argmem
|
|
ret i32 %v
|
|
}
|
|
; CHECK-LABEL: define internal x86_thiscallcc i32 @unused_this(i32* %this, i32* inalloca %argmem)
|
|
|
|
define i32 @caller2() {
|
|
%t = alloca i32
|
|
%m = alloca inalloca i32
|
|
store i32 42, i32* %m
|
|
%v = call x86_thiscallcc i32 @unused_this(i32* %t, i32* inalloca %m)
|
|
ret i32 %v
|
|
}
|
|
|
|
; CHECK: attributes #0 = { nounwind }
|