forked from OSchip/llvm-project
70 lines
2.2 KiB
LLVM
70 lines
2.2 KiB
LLVM
|
; RUN: llc < %s -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown | FileCheck %s
|
||
|
|
define i8 @atomic_min_i8() {
|
||
|
|
top:
|
||
|
|
%0 = alloca i8, align 2
|
||
|
|
%1 = bitcast i8* %0 to i8*
|
||
|
|
call void @llvm.lifetime.start(i64 2, i8* %1)
|
||
|
|
store i8 -1, i8* %0, align 2
|
||
|
|
%2 = atomicrmw min i8* %0, i8 0 acq_rel
|
||
|
|
%3 = load atomic i8, i8* %0 acquire, align 8
|
||
|
|
call void @llvm.lifetime.end(i64 2, i8* %1)
|
||
|
|
ret i8 %3
|
||
|
|
; CHECK-LABEL: atomic_min_i8
|
||
|
|
; CHECK: lbarx [[DST:[0-9]+]],
|
||
|
|
; CHECK-NEXT: extsb [[EXT:[0-9]+]], [[DST]]
|
||
|
|
; CHECK-NEXT: cmpw {{[0-9]+}}, [[EXT]]
|
||
|
|
; CHECK-NEXT: bge 0
|
||
|
|
}
|
||
|
|
define i16 @atomic_min_i16() {
|
||
|
|
top:
|
||
|
|
%0 = alloca i16, align 2
|
||
|
|
%1 = bitcast i16* %0 to i8*
|
||
|
|
call void @llvm.lifetime.start(i64 2, i8* %1)
|
||
|
|
store i16 -1, i16* %0, align 2
|
||
|
|
%2 = atomicrmw min i16* %0, i16 0 acq_rel
|
||
|
|
%3 = load atomic i16, i16* %0 acquire, align 8
|
||
|
|
call void @llvm.lifetime.end(i64 2, i8* %1)
|
||
|
|
ret i16 %3
|
||
|
|
; CHECK-LABEL: atomic_min_i16
|
||
|
|
; CHECK: lharx [[DST:[0-9]+]],
|
||
|
|
; CHECK-NEXT: extsh [[EXT:[0-9]+]], [[DST]]
|
||
|
|
; CHECK-NEXT: cmpw {{[0-9]+}}, [[EXT]]
|
||
|
|
; CHECK-NEXT: bge 0
|
||
|
|
}
|
||
|
|
|
||
|
|
define i8 @atomic_max_i8() {
|
||
|
|
top:
|
||
|
|
%0 = alloca i8, align 2
|
||
|
|
%1 = bitcast i8* %0 to i8*
|
||
|
|
call void @llvm.lifetime.start(i64 2, i8* %1)
|
||
|
|
store i8 -1, i8* %0, align 2
|
||
|
|
%2 = atomicrmw max i8* %0, i8 0 acq_rel
|
||
|
|
%3 = load atomic i8, i8* %0 acquire, align 8
|
||
|
|
call void @llvm.lifetime.end(i64 2, i8* %1)
|
||
|
|
ret i8 %3
|
||
|
|
; CHECK-LABEL: atomic_max_i8
|
||
|
|
; CHECK: lbarx [[DST:[0-9]+]],
|
||
|
|
; CHECK-NEXT: extsb [[EXT:[0-9]+]], [[DST]]
|
||
|
|
; CHECK-NEXT: cmpw {{[0-9]+}}, [[EXT]]
|
||
|
|
; CHECK-NEXT: ble 0
|
||
|
|
}
|
||
|
|
define i16 @atomic_max_i16() {
|
||
|
|
top:
|
||
|
|
%0 = alloca i16, align 2
|
||
|
|
%1 = bitcast i16* %0 to i8*
|
||
|
|
call void @llvm.lifetime.start(i64 2, i8* %1)
|
||
|
|
store i16 -1, i16* %0, align 2
|
||
|
|
%2 = atomicrmw max i16* %0, i16 0 acq_rel
|
||
|
|
%3 = load atomic i16, i16* %0 acquire, align 8
|
||
|
|
call void @llvm.lifetime.end(i64 2, i8* %1)
|
||
|
|
ret i16 %3
|
||
|
|
; CHECK-LABEL: atomic_max_i16
|
||
|
|
; CHECK: lharx [[DST:[0-9]+]],
|
||
|
|
; CHECK-NEXT: extsh [[EXT:[0-9]+]], [[DST]]
|
||
|
|
; CHECK-NEXT: cmpw {{[0-9]+}}, [[EXT]]
|
||
|
|
; CHECK-NEXT: ble 0
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @llvm.lifetime.start(i64, i8*)
|
||
|
|
declare void @llvm.lifetime.end(i64, i8*)
|