diff options
Diffstat (limited to 'llvm/test/Transforms/MemCpyOpt/memset-memcpy-redundant-memset.ll')
| -rw-r--r-- | llvm/test/Transforms/MemCpyOpt/memset-memcpy-redundant-memset.ll | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/llvm/test/Transforms/MemCpyOpt/memset-memcpy-redundant-memset.ll b/llvm/test/Transforms/MemCpyOpt/memset-memcpy-redundant-memset.ll deleted file mode 100644 index a3ca96c3ab5..00000000000 --- a/llvm/test/Transforms/MemCpyOpt/memset-memcpy-redundant-memset.ll +++ /dev/null @@ -1,168 +0,0 @@ -; RUN: opt -basicaa -memcpyopt -S %s | FileCheck %s - -target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" - -; CHECK-LABEL: define void @test -; CHECK: [[ULE:%[0-9]+]] = icmp ule i64 %dst_size, %src_size -; CHECK: [[SIZEDIFF:%[0-9]+]] = sub i64 %dst_size, %src_size -; CHECK: [[SIZE:%[0-9]+]] = select i1 [[ULE]], i64 0, i64 [[SIZEDIFF]] -; CHECK: [[DST:%[0-9]+]] = getelementptr i8, i8* %dst, i64 %src_size -; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[DST]], i8 %c, i64 [[SIZE]], i1 false) -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %src_size, i1 false) -; CHECK-NEXT: ret void -define void @test(i8* %src, i64 %src_size, i8* %dst, i64 %dst_size, i8 %c) { - call void @llvm.memset.p0i8.i64(i8* %dst, i8 %c, i64 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %src_size, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_different_types_i32_i64 -; CHECK: [[DSTSIZE:%[0-9]+]] = zext i32 %dst_size to i64 -; CHECK: [[ULE:%[0-9]+]] = icmp ule i64 [[DSTSIZE]], %src_size -; CHECK: [[SIZEDIFF:%[0-9]+]] = sub i64 [[DSTSIZE]], %src_size -; CHECK: [[SIZE:%[0-9]+]] = select i1 [[ULE]], i64 0, i64 [[SIZEDIFF]] -; CHECK: [[DST:%[0-9]+]] = getelementptr i8, i8* %dst, i64 %src_size -; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[DST]], i8 %c, i64 [[SIZE]], i1 false) -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %src_size, i1 false) -; CHECK-NEXT: ret void -define void @test_different_types_i32_i64(i8* %dst, i8* %src, i32 %dst_size, i64 %src_size, i8 %c) { - call void @llvm.memset.p0i8.i32(i8* %dst, i8 %c, i32 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %src_size, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_different_types_i128_i32 -; CHECK: [[SRCSIZE:%[0-9]+]] = zext i32 %src_size to i128 -; CHECK: [[ULE:%[0-9]+]] = icmp ule i128 %dst_size, [[SRCSIZE]] -; CHECK: [[SIZEDIFF:%[0-9]+]] = sub i128 %dst_size, [[SRCSIZE]] -; CHECK: [[SIZE:%[0-9]+]] = select i1 [[ULE]], i128 0, i128 [[SIZEDIFF]] -; CHECK: [[DST:%[0-9]+]] = getelementptr i8, i8* %dst, i128 [[SRCSIZE]] -; CHECK-NEXT: call void @llvm.memset.p0i8.i128(i8* align 1 [[DST]], i8 %c, i128 [[SIZE]], i1 false) -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src, i32 %src_size, i1 false) -; CHECK-NEXT: ret void -define void @test_different_types_i128_i32(i8* %dst, i8* %src, i128 %dst_size, i32 %src_size, i8 %c) { - call void @llvm.memset.p0i8.i128(i8* %dst, i8 %c, i128 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src, i32 %src_size, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_different_types_i32_i128 -; CHECK: [[DSTSIZE:%[0-9]+]] = zext i32 %dst_size to i128 -; CHECK: [[ULE:%[0-9]+]] = icmp ule i128 [[DSTSIZE]], %src_size -; CHECK: [[SIZEDIFF:%[0-9]+]] = sub i128 [[DSTSIZE]], %src_size -; CHECK: [[SIZE:%[0-9]+]] = select i1 [[ULE]], i128 0, i128 [[SIZEDIFF]] -; CHECK: [[DST:%[0-9]+]] = getelementptr i8, i8* %dst, i128 %src_size -; CHECK-NEXT: call void @llvm.memset.p0i8.i128(i8* align 1 [[DST]], i8 %c, i128 [[SIZE]], i1 false) -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i128(i8* %dst, i8* %src, i128 %src_size, i1 false) -; CHECK-NEXT: ret void -define void @test_different_types_i32_i128(i8* %dst, i8* %src, i32 %dst_size, i128 %src_size, i8 %c) { - call void @llvm.memset.p0i8.i32(i8* %dst, i8 %c, i32 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i128(i8* %dst, i8* %src, i128 %src_size, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_different_types_i64_i32 -; CHECK: [[SRCSIZE:%[0-9]+]] = zext i32 %src_size to i64 -; CHECK: [[ULE:%[0-9]+]] = icmp ule i64 %dst_size, [[SRCSIZE]] -; CHECK: [[SIZEDIFF:%[0-9]+]] = sub i64 %dst_size, [[SRCSIZE]] -; CHECK: [[SIZE:%[0-9]+]] = select i1 [[ULE]], i64 0, i64 [[SIZEDIFF]] -; CHECK: [[DST:%[0-9]+]] = getelementptr i8, i8* %dst, i64 [[SRCSIZE]] -; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[DST]], i8 %c, i64 [[SIZE]], i1 false) -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src, i32 %src_size, i1 false) -; CHECK-NEXT: ret void -define void @test_different_types_i64_i32(i8* %dst, i8* %src, i64 %dst_size, i32 %src_size, i8 %c) { - call void @llvm.memset.p0i8.i64(i8* %dst, i8 %c, i64 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src, i32 %src_size, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_align_same -; CHECK: call void @llvm.memset.p0i8.i64(i8* align 8 {{.*}}, i8 0, i64 {{.*}}, i1 false) -define void @test_align_same(i8* %src, i8* %dst, i64 %dst_size) { - call void @llvm.memset.p0i8.i64(i8* align 8 %dst, i8 0, i64 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 80, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_align_min -; CHECK: call void @llvm.memset.p0i8.i64(i8* align 4 {{.*}}, i8 0, i64 {{.*}}, i1 false) -define void @test_align_min(i8* %src, i8* %dst, i64 %dst_size) { - call void @llvm.memset.p0i8.i64(i8* align 8 %dst, i8 0, i64 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 36, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_align_memcpy -; CHECK: call void @llvm.memset.p0i8.i64(i8* align 8 {{.*}}, i8 0, i64 {{.*}}, i1 false) -define void @test_align_memcpy(i8* %src, i8* %dst, i64 %dst_size) { - call void @llvm.memset.p0i8.i64(i8* %dst, i8 0, i64 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %src, i64 80, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_non_i8_dst_type -; CHECK-NEXT: %dst = bitcast i64* %dst_pi64 to i8* -; CHECK: [[ULE:%[0-9]+]] = icmp ule i64 %dst_size, %src_size -; CHECK: [[SIZEDIFF:%[0-9]+]] = sub i64 %dst_size, %src_size -; CHECK: [[SIZE:%[0-9]+]] = select i1 [[ULE]], i64 0, i64 [[SIZEDIFF]] -; CHECK: [[DST:%[0-9]+]] = getelementptr i8, i8* %dst, i64 %src_size -; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[DST]], i8 %c, i64 [[SIZE]], i1 false) -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %src_size, i1 false) -; CHECK-NEXT: ret void -define void @test_non_i8_dst_type(i8* %src, i64 %src_size, i64* %dst_pi64, i64 %dst_size, i8 %c) { - %dst = bitcast i64* %dst_pi64 to i8* - call void @llvm.memset.p0i8.i64(i8* %dst, i8 %c, i64 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %src_size, i1 false) - ret void -} - -; CHECK-LABEL: define void @test_different_dst -; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* %dst, i8 0, i64 %dst_size, i1 false) -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst2, i8* %src, i64 %src_size, i1 false) -; CHECK-NEXT: ret void -define void @test_different_dst(i8* %dst2, i8* %src, i64 %src_size, i8* %dst, i64 %dst_size) { - call void @llvm.memset.p0i8.i64(i8* %dst, i8 0, i64 %dst_size, i1 false) - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst2, i8* %src, i64 %src_size, i1 false) - ret void -} - -; Make sure we also take into account dependencies on the destination. - -; CHECK-LABEL: define i8 @test_intermediate_read -; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* %a, i8 0, i64 64, i1 false) -; CHECK-NEXT: %r = load i8, i8* %a -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 24, i1 false) -; CHECK-NEXT: ret i8 %r -define i8 @test_intermediate_read(i8* %a, i8* %b) #0 { - call void @llvm.memset.p0i8.i64(i8* %a, i8 0, i64 64, i1 false) - %r = load i8, i8* %a - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 24, i1 false) - ret i8 %r -} - -%struct = type { [8 x i8], [8 x i8] } - -; CHECK-LABEL: define void @test_intermediate_write -; CHECK-NEXT: %a = alloca %struct -; CHECK-NEXT: %a0 = getelementptr %struct, %struct* %a, i32 0, i32 0, i32 0 -; CHECK-NEXT: %a1 = getelementptr %struct, %struct* %a, i32 0, i32 1, i32 0 -; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* %a0, i8 0, i64 16, i1 false) -; CHECK-NEXT: store i8 1, i8* %a1 -; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a0, i8* %b, i64 8, i1 false) -; CHECK-NEXT: ret void -define void @test_intermediate_write(i8* %b) #0 { - %a = alloca %struct - %a0 = getelementptr %struct, %struct* %a, i32 0, i32 0, i32 0 - %a1 = getelementptr %struct, %struct* %a, i32 0, i32 1, i32 0 - call void @llvm.memset.p0i8.i64(i8* %a0, i8 0, i64 16, i1 false) - store i8 1, i8* %a1 - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a0, i8* %b, i64 8, i1 false) - ret void -} - -declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) -declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) -declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i1) -declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i1) -declare void @llvm.memset.p0i8.i128(i8* nocapture, i8, i128, i1) -declare void @llvm.memcpy.p0i8.p0i8.i128(i8* nocapture, i8* nocapture readonly, i128, i1) |
