mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-01 00:33:09 +00:00
b1c54930cb
LLVM IR doesn't currently allow atomic bool load/store operations, and the transformation is dubious anyway because it isn't profitable on all platforms. PR17163. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190357 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
541 B
LLVM
26 lines
541 B
LLVM
; RUN: opt -globalopt < %s -S -o - | FileCheck %s
|
|
|
|
@GV1 = internal global i64 1
|
|
@GV2 = internal global i32 0
|
|
|
|
; CHECK: @GV1 = internal unnamed_addr constant i64 1
|
|
; CHECK: @GV2 = internal unnamed_addr global i32 0
|
|
|
|
define void @test1() {
|
|
entry:
|
|
%0 = load atomic i8* bitcast (i64* @GV1 to i8*) acquire, align 8
|
|
ret void
|
|
}
|
|
|
|
; PR17163
|
|
define void @test2a() {
|
|
entry:
|
|
store atomic i32 10, i32* @GV2 seq_cst, align 4
|
|
ret void
|
|
}
|
|
define i32 @test2b() {
|
|
entry:
|
|
%atomic-load = load atomic i32* @GV2 seq_cst, align 4
|
|
ret i32 %atomic-load
|
|
}
|