diff options
Diffstat (limited to 'llvm/test/Transforms/DeadStoreElimination/OverwriteStoreEnd.ll')
| -rw-r--r-- | llvm/test/Transforms/DeadStoreElimination/OverwriteStoreEnd.ll | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/llvm/test/Transforms/DeadStoreElimination/OverwriteStoreEnd.ll b/llvm/test/Transforms/DeadStoreElimination/OverwriteStoreEnd.ll new file mode 100644 index 00000000000..f3934263e34 --- /dev/null +++ b/llvm/test/Transforms/DeadStoreElimination/OverwriteStoreEnd.ll @@ -0,0 +1,390 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt < %s -basicaa -dse -S | FileCheck %s +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" + +%struct.vec2 = type { <4 x i32>, <4 x i32> } +%struct.vec2plusi = type { <4 x i32>, <4 x i32>, i32 } + +@glob1 = global %struct.vec2 zeroinitializer, align 16 +@glob2 = global %struct.vec2plusi zeroinitializer, align 16 + +define void @write24to28(i32* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write24to28( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 +; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* +; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[P3]], i8 0, i64 24, i1 false) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7 +; CHECK-NEXT: store i32 1, i32* [[ARRAYIDX1]], align 4 +; CHECK-NEXT: ret void +; +entry: + %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 + %p3 = bitcast i32* %arrayidx0 to i8* + call void @llvm.memset.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i1 false) + %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 7 + store i32 1, i32* %arrayidx1, align 4 + ret void +} + +define void @write24to28_atomic(i32* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write24to28_atomic( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 +; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* +; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[P3]], i8 0, i64 24, i32 4) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7 +; CHECK-NEXT: store atomic i32 1, i32* [[ARRAYIDX1]] unordered, align 4 +; CHECK-NEXT: ret void +; +entry: + %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 + %p3 = bitcast i32* %arrayidx0 to i8* + call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i32 4) + %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 7 + store atomic i32 1, i32* %arrayidx1 unordered, align 4 + ret void +} + +; Atomicity of the store is weaker from the memset +define void @write24to28_atomic_weaker(i32* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write24to28_atomic_weaker( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 +; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* +; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[P3]], i8 0, i64 24, i32 4) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7 +; CHECK-NEXT: store i32 1, i32* [[ARRAYIDX1]], align 4 +; CHECK-NEXT: ret void +; +entry: + %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 + %p3 = bitcast i32* %arrayidx0 to i8* + call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i32 4) + %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 7 + store i32 1, i32* %arrayidx1, align 4 + ret void +} + +define void @write28to32(i32* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write28to32( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* +; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[P3]], i8 0, i64 28, i1 false) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7 +; CHECK-NEXT: store i32 1, i32* [[ARRAYIDX1]], align 4 +; CHECK-NEXT: ret void +; +entry: + %p3 = bitcast i32* %p to i8* + call void @llvm.memset.p0i8.i64(i8* align 4 %p3, i8 0, i64 32, i1 false) + %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 7 + store i32 1, i32* %arrayidx1, align 4 + ret void +} + +define void @write28to32_atomic(i32* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write28to32_atomic( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* +; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[P3]], i8 0, i64 28, i32 4) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7 +; CHECK-NEXT: store atomic i32 1, i32* [[ARRAYIDX1]] unordered, align 4 +; CHECK-NEXT: ret void +; +entry: + %p3 = bitcast i32* %p to i8* + call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 32, i32 4) + %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 7 + store atomic i32 1, i32* %arrayidx1 unordered, align 4 + ret void +} + +define void @dontwrite28to32memset(i32* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @dontwrite28to32memset( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* +; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 16 [[P3]], i8 0, i64 32, i1 false) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7 +; CHECK-NEXT: store i32 1, i32* [[ARRAYIDX1]], align 4 +; CHECK-NEXT: ret void +; +entry: + %p3 = bitcast i32* %p to i8* + call void @llvm.memset.p0i8.i64(i8* align 16 %p3, i8 0, i64 32, i1 false) + %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 7 + store i32 1, i32* %arrayidx1, align 4 + ret void +} + +define void @dontwrite28to32memset_atomic(i32* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @dontwrite28to32memset_atomic( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* +; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 16 [[P3]], i8 0, i64 32, i32 4) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7 +; CHECK-NEXT: store atomic i32 1, i32* [[ARRAYIDX1]] unordered, align 4 +; CHECK-NEXT: ret void +; +entry: + %p3 = bitcast i32* %p to i8* + call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 16 %p3, i8 0, i64 32, i32 4) + %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 7 + store atomic i32 1, i32* %arrayidx1 unordered, align 4 + ret void +} + +define void @write32to36(%struct.vec2plusi* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write32to36( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = bitcast %struct.vec2plusi* [[P:%.*]] to i8* +; CHECK-NEXT: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[TMP0]], i8* align 16 bitcast (%struct.vec2plusi* @glob2 to i8*), i64 32, i1 false) +; CHECK-NEXT: [[C:%.*]] = getelementptr inbounds [[STRUCT_VEC2PLUSI:%.*]], %struct.vec2plusi* [[P]], i64 0, i32 2 +; CHECK-NEXT: store i32 1, i32* [[C]], align 4 +; CHECK-NEXT: ret void +; +entry: + %0 = bitcast %struct.vec2plusi* %p to i8* + tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.vec2plusi* @glob2 to i8*), i64 36, i1 false) + %c = getelementptr inbounds %struct.vec2plusi, %struct.vec2plusi* %p, i64 0, i32 2 + store i32 1, i32* %c, align 4 + ret void +} + +define void @write32to36_atomic(%struct.vec2plusi* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write32to36_atomic( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = bitcast %struct.vec2plusi* [[P:%.*]] to i8* +; CHECK-NEXT: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 [[TMP0]], i8* align 16 bitcast (%struct.vec2plusi* @glob2 to i8*), i64 32, i32 4) +; CHECK-NEXT: [[C:%.*]] = getelementptr inbounds [[STRUCT_VEC2PLUSI:%.*]], %struct.vec2plusi* [[P]], i64 0, i32 2 +; CHECK-NEXT: store atomic i32 1, i32* [[C]] unordered, align 4 +; CHECK-NEXT: ret void +; +entry: + %0 = bitcast %struct.vec2plusi* %p to i8* + tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.vec2plusi* @glob2 to i8*), i64 36, i32 4) + %c = getelementptr inbounds %struct.vec2plusi, %struct.vec2plusi* %p, i64 0, i32 2 + store atomic i32 1, i32* %c unordered, align 4 + ret void +} + +; Atomicity of the store is weaker than the memcpy +define void @write32to36_atomic_weaker(%struct.vec2plusi* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write32to36_atomic_weaker( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = bitcast %struct.vec2plusi* [[P:%.*]] to i8* +; CHECK-NEXT: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 [[TMP0]], i8* align 16 bitcast (%struct.vec2plusi* @glob2 to i8*), i64 32, i32 4) +; CHECK-NEXT: [[C:%.*]] = getelementptr inbounds [[STRUCT_VEC2PLUSI:%.*]], %struct.vec2plusi* [[P]], i64 0, i32 2 +; CHECK-NEXT: store i32 1, i32* [[C]], align 4 +; CHECK-NEXT: ret void +; +entry: + %0 = bitcast %struct.vec2plusi* %p to i8* + tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.vec2plusi* @glob2 to i8*), i64 36, i32 4) + %c = getelementptr inbounds %struct.vec2plusi, %struct.vec2plusi* %p, i64 0, i32 2 + store i32 1, i32* %c, align 4 + ret void +} + +define void @write16to32(%struct.vec2* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write16to32( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = bitcast %struct.vec2* [[P:%.*]] to i8* +; CHECK-NEXT: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[TMP0]], i8* align 16 bitcast (%struct.vec2* @glob1 to i8*), i64 16, i1 false) +; CHECK-NEXT: [[C:%.*]] = getelementptr inbounds [[STRUCT_VEC2:%.*]], %struct.vec2* [[P]], i64 0, i32 1 +; CHECK-NEXT: store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, <4 x i32>* [[C]], align 4 +; CHECK-NEXT: ret void +; +entry: + %0 = bitcast %struct.vec2* %p to i8* + tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.vec2* @glob1 to i8*), i64 32, i1 false) + %c = getelementptr inbounds %struct.vec2, %struct.vec2* %p, i64 0, i32 1 + store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, <4 x i32>* %c, align 4 + ret void +} + +define void @write16to32_atomic(%struct.vec2* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @write16to32_atomic( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = bitcast %struct.vec2* [[P:%.*]] to i8* +; CHECK-NEXT: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 [[TMP0]], i8* align 16 bitcast (%struct.vec2* @glob1 to i8*), i64 16, i32 4) +; CHECK-NEXT: [[C:%.*]] = getelementptr inbounds [[STRUCT_VEC2:%.*]], %struct.vec2* [[P]], i64 0, i32 1 +; CHECK-NEXT: store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, <4 x i32>* [[C]], align 4 +; CHECK-NEXT: ret void +; +entry: + %0 = bitcast %struct.vec2* %p to i8* + tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.vec2* @glob1 to i8*), i64 32, i32 4) + %c = getelementptr inbounds %struct.vec2, %struct.vec2* %p, i64 0, i32 1 + store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, <4 x i32>* %c, align 4 + ret void +} + +define void @dontwrite28to32memcpy(%struct.vec2* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @dontwrite28to32memcpy( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = bitcast %struct.vec2* [[P:%.*]] to i8* +; CHECK-NEXT: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[TMP0]], i8* align 16 bitcast (%struct.vec2* @glob1 to i8*), i64 32, i1 false) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds [[STRUCT_VEC2:%.*]], %struct.vec2* [[P]], i64 0, i32 0, i64 7 +; CHECK-NEXT: store i32 1, i32* [[ARRAYIDX1]], align 4 +; CHECK-NEXT: ret void +; +entry: + %0 = bitcast %struct.vec2* %p to i8* + tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.vec2* @glob1 to i8*), i64 32, i1 false) + %arrayidx1 = getelementptr inbounds %struct.vec2, %struct.vec2* %p, i64 0, i32 0, i64 7 + store i32 1, i32* %arrayidx1, align 4 + ret void +} + +define void @dontwrite28to32memcpy_atomic(%struct.vec2* nocapture %p) nounwind uwtable ssp { +; CHECK-LABEL: @dontwrite28to32memcpy_atomic( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = bitcast %struct.vec2* [[P:%.*]] to i8* +; CHECK-NEXT: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 [[TMP0]], i8* align 16 bitcast (%struct.vec2* @glob1 to i8*), i64 32, i32 4) +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds [[STRUCT_VEC2:%.*]], %struct.vec2* [[P]], i64 0, i32 0, i64 7 +; CHECK-NEXT: store atomic i32 1, i32* [[ARRAYIDX1]] unordered, align 4 +; CHECK-NEXT: ret void +; +entry: + %0 = bitcast %struct.vec2* %p to i8* + tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.vec2* @glob1 to i8*), i64 32, i32 4) + %arrayidx1 = getelementptr inbounds %struct.vec2, %struct.vec2* %p, i64 0, i32 0, i64 7 + store atomic i32 1, i32* %arrayidx1 unordered, align 4 + ret void +} + +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind +declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32) nounwind +declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind +declare void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* nocapture, i8, i64, i32) nounwind + +%struct.trapframe = type { i64, i64, i64 } + +; bugzilla 11455 - make sure negative GEP's don't break this optimisation +define void @cpu_lwp_fork(%struct.trapframe* %md_regs, i64 %pcb_rsp0) nounwind uwtable noinline ssp { +; CHECK-LABEL: @cpu_lwp_fork( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = inttoptr i64 [[PCB_RSP0:%.*]] to %struct.trapframe* +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds [[STRUCT_TRAPFRAME:%.*]], %struct.trapframe* [[TMP0]], i64 -1 +; CHECK-NEXT: [[TMP1:%.*]] = bitcast %struct.trapframe* [[ADD_PTR]] to i8* +; CHECK-NEXT: [[TMP2:%.*]] = bitcast %struct.trapframe* [[MD_REGS:%.*]] to i8* +; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[TMP1]], i8* [[TMP2]], i64 24, i1 false) +; CHECK-NEXT: [[TF_TRAPNO:%.*]] = getelementptr inbounds [[STRUCT_TRAPFRAME]], %struct.trapframe* [[TMP0]], i64 -1, i32 1 +; CHECK-NEXT: store i64 3, i64* [[TF_TRAPNO]], align 8 +; CHECK-NEXT: ret void +; +entry: + %0 = inttoptr i64 %pcb_rsp0 to %struct.trapframe* + %add.ptr = getelementptr inbounds %struct.trapframe, %struct.trapframe* %0, i64 -1 + %1 = bitcast %struct.trapframe* %add.ptr to i8* + %2 = bitcast %struct.trapframe* %md_regs to i8* + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 24, i1 false) + %tf_trapno = getelementptr inbounds %struct.trapframe, %struct.trapframe* %0, i64 -1, i32 1 + store i64 3, i64* %tf_trapno, align 8 + ret void +} + +define void @write16To23AndThen24To31(i64* nocapture %P, i64 %n64, i32 %n32, i16 %n16, i8 %n8) { +; CHECK-LABEL: @write16To23AndThen24To31( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[BASE0:%.*]] = bitcast i64* [[P:%.*]] to i8* +; CHECK-NEXT: [[MYBASE0:%.*]] = getelementptr inbounds i8, i8* [[BASE0]], i64 0 +; CHECK-NEXT: tail call void @llvm.memset.p0i8.i64(i8* align 8 [[MYBASE0]], i8 0, i64 16, i1 false) +; CHECK-NEXT: [[BASE64_2:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 2 +; CHECK-NEXT: [[BASE64_3:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 3 +; CHECK-NEXT: store i64 3, i64* [[BASE64_2]] +; CHECK-NEXT: store i64 3, i64* [[BASE64_3]] +; CHECK-NEXT: ret void +; +entry: + + %base0 = bitcast i64* %P to i8* + %mybase0 = getelementptr inbounds i8, i8* %base0, i64 0 + tail call void @llvm.memset.p0i8.i64(i8* align 8 %mybase0, i8 0, i64 32, i1 false) + + %base64_2 = getelementptr inbounds i64, i64* %P, i64 2 + %base64_3 = getelementptr inbounds i64, i64* %P, i64 3 + + store i64 3, i64* %base64_2 + store i64 3, i64* %base64_3 + ret void +} + +define void @write16To23AndThen24To31_atomic(i64* nocapture %P, i64 %n64, i32 %n32, i16 %n16, i8 %n8) { +; CHECK-LABEL: @write16To23AndThen24To31_atomic( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[BASE0:%.*]] = bitcast i64* [[P:%.*]] to i8* +; CHECK-NEXT: [[MYBASE0:%.*]] = getelementptr inbounds i8, i8* [[BASE0]], i64 0 +; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 [[MYBASE0]], i8 0, i64 16, i32 8) +; CHECK-NEXT: [[BASE64_2:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 2 +; CHECK-NEXT: [[BASE64_3:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 3 +; CHECK-NEXT: store atomic i64 3, i64* [[BASE64_2]] unordered, align 8 +; CHECK-NEXT: store atomic i64 3, i64* [[BASE64_3]] unordered, align 8 +; CHECK-NEXT: ret void +; +entry: + + %base0 = bitcast i64* %P to i8* + %mybase0 = getelementptr inbounds i8, i8* %base0, i64 0 + tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 %mybase0, i8 0, i64 32, i32 8) + + %base64_2 = getelementptr inbounds i64, i64* %P, i64 2 + %base64_3 = getelementptr inbounds i64, i64* %P, i64 3 + + store atomic i64 3, i64* %base64_2 unordered, align 8 + store atomic i64 3, i64* %base64_3 unordered, align 8 + ret void +} + +define void @write16To23AndThen24To31_atomic_weaker1(i64* nocapture %P, i64 %n64, i32 %n32, i16 %n16, i8 %n8) { +; CHECK-LABEL: @write16To23AndThen24To31_atomic_weaker1( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[BASE0:%.*]] = bitcast i64* [[P:%.*]] to i8* +; CHECK-NEXT: [[MYBASE0:%.*]] = getelementptr inbounds i8, i8* [[BASE0]], i64 0 +; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 [[MYBASE0]], i8 0, i64 16, i32 8) +; CHECK-NEXT: [[BASE64_2:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 2 +; CHECK-NEXT: [[BASE64_3:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 3 +; CHECK-NEXT: store i64 3, i64* [[BASE64_2]], align 8 +; CHECK-NEXT: store atomic i64 3, i64* [[BASE64_3]] unordered, align 8 +; CHECK-NEXT: ret void +; +entry: + + %base0 = bitcast i64* %P to i8* + %mybase0 = getelementptr inbounds i8, i8* %base0, i64 0 + tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 %mybase0, i8 0, i64 32, i32 8) + + %base64_2 = getelementptr inbounds i64, i64* %P, i64 2 + %base64_3 = getelementptr inbounds i64, i64* %P, i64 3 + + store i64 3, i64* %base64_2, align 8 + store atomic i64 3, i64* %base64_3 unordered, align 8 + ret void +} + +define void @write16To23AndThen24To31_atomic_weaker2(i64* nocapture %P, i64 %n64, i32 %n32, i16 %n16, i8 %n8) { +; CHECK-LABEL: @write16To23AndThen24To31_atomic_weaker2( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[BASE0:%.*]] = bitcast i64* [[P:%.*]] to i8* +; CHECK-NEXT: [[MYBASE0:%.*]] = getelementptr inbounds i8, i8* [[BASE0]], i64 0 +; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 [[MYBASE0]], i8 0, i64 16, i32 8) +; CHECK-NEXT: [[BASE64_2:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 2 +; CHECK-NEXT: [[BASE64_3:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 3 +; CHECK-NEXT: store atomic i64 3, i64* [[BASE64_2]] unordered, align 8 +; CHECK-NEXT: store i64 3, i64* [[BASE64_3]], align 8 +; CHECK-NEXT: ret void +; +entry: + + %base0 = bitcast i64* %P to i8* + %mybase0 = getelementptr inbounds i8, i8* %base0, i64 0 + tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 %mybase0, i8 0, i64 32, i32 8) + + %base64_2 = getelementptr inbounds i64, i64* %P, i64 2 + %base64_3 = getelementptr inbounds i64, i64* %P, i64 3 + + store atomic i64 3, i64* %base64_2 unordered, align 8 + store i64 3, i64* %base64_3, align 8 + ret void +} |
