mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
62 lines
1.2 KiB
LLVM
62 lines
1.2 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv7m-none-eabi -mcpu=cortex-m4 | FileCheck %s
|
|
; RUN: llc < %s -mtriple=thumbv8m.main-none-eabi | FileCheck %s
|
|
; RUN: llc < %s -mtriple=thumbv8m.base-none-eabi | FileCheck %s
|
|
|
|
; CHECK-LABEL: f0:
|
|
; CHECK-NOT: ldrexd
|
|
define i64 @f0(i64* %p) nounwind readonly {
|
|
entry:
|
|
%0 = load atomic i64, i64* %p seq_cst, align 8
|
|
ret i64 %0
|
|
}
|
|
|
|
; CHECK-LABEL: f1:
|
|
; CHECK-NOT: strexd
|
|
define void @f1(i64* %p) nounwind readonly {
|
|
entry:
|
|
store atomic i64 0, i64* %p seq_cst, align 8
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: f2:
|
|
; CHECK-NOT: ldrexd
|
|
; CHECK-NOT: strexd
|
|
define i64 @f2(i64* %p) nounwind readonly {
|
|
entry:
|
|
%0 = atomicrmw add i64* %p, i64 1 seq_cst
|
|
ret i64 %0
|
|
}
|
|
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: ldr
|
|
define i32 @f3(i32* %p) nounwind readonly {
|
|
entry:
|
|
%0 = load atomic i32, i32* %p seq_cst, align 4
|
|
ret i32 %0
|
|
}
|
|
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: ldrb
|
|
define i8 @f4(i8* %p) nounwind readonly {
|
|
entry:
|
|
%0 = load atomic i8, i8* %p seq_cst, align 4
|
|
ret i8 %0
|
|
}
|
|
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: str
|
|
define void @f5(i32* %p) nounwind readonly {
|
|
entry:
|
|
store atomic i32 0, i32* %p seq_cst, align 4
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: ldrex
|
|
; CHECK: strex
|
|
define i32 @f6(i32* %p) nounwind readonly {
|
|
entry:
|
|
%0 = atomicrmw add i32* %p, i32 1 seq_cst
|
|
ret i32 %0
|
|
}
|