diff options
Diffstat (limited to 'test/CodeGen/WebAssembly/offset.ll')
| -rw-r--r-- | test/CodeGen/WebAssembly/offset.ll | 88 |
1 files changed, 62 insertions, 26 deletions
diff --git a/test/CodeGen/WebAssembly/offset.ll b/test/CodeGen/WebAssembly/offset.ll index 828f40206a962..fcd8b49758ed3 100644 --- a/test/CodeGen/WebAssembly/offset.ll +++ b/test/CodeGen/WebAssembly/offset.ll @@ -125,10 +125,21 @@ define i64 @load_i64_with_unfolded_gep_offset(i64* %p) { ret i64 %t } +; CHECK-LABEL: load_i32_with_folded_or_offset: +; CHECK: i32.load8_s $push{{[0-9]+}}=, 2($pop{{[0-9]+}}){{$}} +define i32 @load_i32_with_folded_or_offset(i32 %x) { + %and = and i32 %x, -4 + %t0 = inttoptr i32 %and to i8* + %arrayidx = getelementptr inbounds i8, i8* %t0, i32 2 + %t1 = load i8, i8* %arrayidx, align 1 + %conv = sext i8 %t1 to i32 + ret i32 %conv +} + ; Same as above but with store. ; CHECK-LABEL: store_i32_with_folded_offset: -; CHECK: i32.store $discard=, 24($0), $pop0{{$}} +; CHECK: i32.store $drop=, 24($0), $pop0{{$}} define void @store_i32_with_folded_offset(i32* %p) { %q = ptrtoint i32* %p to i32 %r = add nuw i32 %q, 24 @@ -140,7 +151,7 @@ define void @store_i32_with_folded_offset(i32* %p) { ; Same as above but with store. ; CHECK-LABEL: store_i32_with_folded_gep_offset: -; CHECK: i32.store $discard=, 24($0), $pop0{{$}} +; CHECK: i32.store $drop=, 24($0), $pop0{{$}} define void @store_i32_with_folded_gep_offset(i32* %p) { %s = getelementptr inbounds i32, i32* %p, i32 6 store i32 0, i32* %s @@ -152,7 +163,7 @@ define void @store_i32_with_folded_gep_offset(i32* %p) { ; CHECK-LABEL: store_i32_with_unfolded_gep_negative_offset: ; CHECK: i32.const $push0=, -24{{$}} ; CHECK: i32.add $push1=, $0, $pop0{{$}} -; CHECK: i32.store $discard=, 0($pop1), $pop2{{$}} +; CHECK: i32.store $drop=, 0($pop1), $pop2{{$}} define void @store_i32_with_unfolded_gep_negative_offset(i32* %p) { %s = getelementptr inbounds i32, i32* %p, i32 -6 store i32 0, i32* %s @@ -164,7 +175,7 @@ define void @store_i32_with_unfolded_gep_negative_offset(i32* %p) { ; CHECK-LABEL: store_i32_with_unfolded_offset: ; CHECK: i32.const $push0=, 24{{$}} ; CHECK: i32.add $push1=, $0, $pop0{{$}} -; CHECK: i32.store $discard=, 0($pop1), $pop2{{$}} +; CHECK: i32.store $drop=, 0($pop1), $pop2{{$}} define void @store_i32_with_unfolded_offset(i32* %p) { %q = ptrtoint i32* %p to i32 %r = add nsw i32 %q, 24 @@ -178,7 +189,7 @@ define void @store_i32_with_unfolded_offset(i32* %p) { ; CHECK-LABEL: store_i32_with_unfolded_gep_offset: ; CHECK: i32.const $push0=, 24{{$}} ; CHECK: i32.add $push1=, $0, $pop0{{$}} -; CHECK: i32.store $discard=, 0($pop1), $pop2{{$}} +; CHECK: i32.store $drop=, 0($pop1), $pop2{{$}} define void @store_i32_with_unfolded_gep_offset(i32* %p) { %s = getelementptr i32, i32* %p, i32 6 store i32 0, i32* %s @@ -188,7 +199,7 @@ define void @store_i32_with_unfolded_gep_offset(i32* %p) { ; Same as above but with store with i64. ; CHECK-LABEL: store_i64_with_folded_offset: -; CHECK: i64.store $discard=, 24($0), $pop0{{$}} +; CHECK: i64.store $drop=, 24($0), $pop0{{$}} define void @store_i64_with_folded_offset(i64* %p) { %q = ptrtoint i64* %p to i32 %r = add nuw i32 %q, 24 @@ -200,7 +211,7 @@ define void @store_i64_with_folded_offset(i64* %p) { ; Same as above but with store with i64. ; CHECK-LABEL: store_i64_with_folded_gep_offset: -; CHECK: i64.store $discard=, 24($0), $pop0{{$}} +; CHECK: i64.store $drop=, 24($0), $pop0{{$}} define void @store_i64_with_folded_gep_offset(i64* %p) { %s = getelementptr inbounds i64, i64* %p, i32 3 store i64 0, i64* %s @@ -212,7 +223,7 @@ define void @store_i64_with_folded_gep_offset(i64* %p) { ; CHECK-LABEL: store_i64_with_unfolded_gep_negative_offset: ; CHECK: i32.const $push0=, -24{{$}} ; CHECK: i32.add $push1=, $0, $pop0{{$}} -; CHECK: i64.store $discard=, 0($pop1), $pop2{{$}} +; CHECK: i64.store $drop=, 0($pop1), $pop2{{$}} define void @store_i64_with_unfolded_gep_negative_offset(i64* %p) { %s = getelementptr inbounds i64, i64* %p, i32 -3 store i64 0, i64* %s @@ -224,7 +235,7 @@ define void @store_i64_with_unfolded_gep_negative_offset(i64* %p) { ; CHECK-LABEL: store_i64_with_unfolded_offset: ; CHECK: i32.const $push0=, 24{{$}} ; CHECK: i32.add $push1=, $0, $pop0{{$}} -; CHECK: i64.store $discard=, 0($pop1), $pop2{{$}} +; CHECK: i64.store $drop=, 0($pop1), $pop2{{$}} define void @store_i64_with_unfolded_offset(i64* %p) { %q = ptrtoint i64* %p to i32 %r = add nsw i32 %q, 24 @@ -238,13 +249,23 @@ define void @store_i64_with_unfolded_offset(i64* %p) { ; CHECK-LABEL: store_i64_with_unfolded_gep_offset: ; CHECK: i32.const $push0=, 24{{$}} ; CHECK: i32.add $push1=, $0, $pop0{{$}} -; CHECK: i64.store $discard=, 0($pop1), $pop2{{$}} +; CHECK: i64.store $drop=, 0($pop1), $pop2{{$}} define void @store_i64_with_unfolded_gep_offset(i64* %p) { %s = getelementptr i64, i64* %p, i32 3 store i64 0, i64* %s ret void } +; CHECK-LABEL: store_i32_with_folded_or_offset: +; CHECK: i32.store8 $drop=, 2($pop{{[0-9]+}}), $pop{{[0-9]+}}{{$}} +define void @store_i32_with_folded_or_offset(i32 %x) { + %and = and i32 %x, -4 + %t0 = inttoptr i32 %and to i8* + %arrayidx = getelementptr inbounds i8, i8* %t0, i32 2 + store i8 0, i8* %arrayidx, align 1 + ret void +} + ; When loading from a fixed address, materialize a zero. ; CHECK-LABEL: load_i32_from_numeric_address @@ -266,8 +287,9 @@ define i32 @load_i32_from_global_address() { } ; CHECK-LABEL: store_i32_to_numeric_address: -; CHECK: i32.const $0=, 0{{$}} -; CHECK: i32.store $discard=, 42($0), $0{{$}} +; CHECK-NEXT: i32.const $push0=, 0{{$}} +; CHECK-NEXT: i32.const $push1=, 0{{$}} +; CHECK-NEXT: i32.store $drop=, 42($pop0), $pop1{{$}} define void @store_i32_to_numeric_address() { %s = inttoptr i32 42 to i32* store i32 0, i32* %s @@ -275,8 +297,9 @@ define void @store_i32_to_numeric_address() { } ; CHECK-LABEL: store_i32_to_global_address: -; CHECK: i32.const $0=, 0{{$}} -; CHECK: i32.store $discard=, gv($0), $0{{$}} +; CHECK: i32.const $push0=, 0{{$}} +; CHECK: i32.const $push1=, 0{{$}} +; CHECK: i32.store $drop=, gv($pop0), $pop1{{$}} define void @store_i32_to_global_address() { store i32 0, i32* @gv ret void @@ -333,7 +356,7 @@ define i32 @load_i8_u_with_folded_gep_offset(i8* %p) { ; Fold an offset into a truncating store. ; CHECK-LABEL: store_i8_with_folded_offset: -; CHECK: i32.store8 $discard=, 24($0), $pop0{{$}} +; CHECK: i32.store8 $drop=, 24($0), $pop0{{$}} define void @store_i8_with_folded_offset(i8* %p) { %q = ptrtoint i8* %p to i32 %r = add nuw i32 %q, 24 @@ -345,7 +368,7 @@ define void @store_i8_with_folded_offset(i8* %p) { ; Fold a gep offset into a truncating store. ; CHECK-LABEL: store_i8_with_folded_gep_offset: -; CHECK: i32.store8 $discard=, 24($0), $pop0{{$}} +; CHECK: i32.store8 $drop=, 24($0), $pop0{{$}} define void @store_i8_with_folded_gep_offset(i8* %p) { %s = getelementptr inbounds i8, i8* %p, i32 24 store i8 0, i8* %s @@ -359,10 +382,10 @@ define void @store_i8_with_folded_gep_offset(i8* %p) { ; CHECK: i32.load $3=, 4($0){{$}} ; CHECK: i32.load $4=, 8($0){{$}} ; CHECK: i32.load $push0=, 12($0){{$}} -; CHECK: i32.store $discard=, 12($1), $pop0{{$}} -; CHECK: i32.store $discard=, 8($1), $4{{$}} -; CHECK: i32.store $discard=, 4($1), $3{{$}} -; CHECK: i32.store $discard=, 0($1), $2{{$}} +; CHECK: i32.store $drop=, 12($1), $pop0{{$}} +; CHECK: i32.store $drop=, 8($1), $4{{$}} +; CHECK: i32.store $drop=, 4($1), $3{{$}} +; CHECK: i32.store $drop=, 0($1), $2{{$}} define void @aggregate_load_store({i32,i32,i32,i32}* %p, {i32,i32,i32,i32}* %q) { ; volatile so that things stay in order for the tests above %t = load volatile {i32,i32,i32,i32}, {i32, i32,i32,i32}* %p @@ -370,14 +393,27 @@ define void @aggregate_load_store({i32,i32,i32,i32}* %p, {i32,i32,i32,i32}* %q) ret void } -; Fold the offsets when lowering aggregate return values. +; Fold the offsets when lowering aggregate return values. The stores get +; merged into i64 stores. ; CHECK-LABEL: aggregate_return: -; CHECK: i32.const $push0=, 0{{$}} -; CHECK: i32.store $push1=, 12($0), $pop0{{$}} -; CHECK: i32.store $push2=, 8($0), $pop1{{$}} -; CHECK: i32.store $push3=, 4($0), $pop2{{$}} -; CHECK: i32.store $discard=, 0($0), $pop3{{$}} +; CHECK: i64.const $push[[L0:[0-9]+]]=, 0{{$}} +; CHECK: i64.store $push[[L1:[0-9]+]]=, 8($0):p2align=2, $pop[[L0]]{{$}} +; CHECK: i64.store $drop=, 0($0):p2align=2, $pop[[L1]]{{$}} define {i32,i32,i32,i32} @aggregate_return() { ret {i32,i32,i32,i32} zeroinitializer } + +; Fold the offsets when lowering aggregate return values. The stores are not +; merged. + +; CHECK-LABEL: aggregate_return_without_merge: +; CHECK: i32.const $push[[L0:[0-9]+]]=, 0{{$}} +; CHECK: i32.store8 $push[[L1:[0-9]+]]=, 14($0), $pop[[L0]]{{$}} +; CHECK: i32.store16 $push[[L2:[0-9]+]]=, 12($0), $pop[[L1]]{{$}} +; CHECK: i32.store $drop=, 8($0), $pop[[L2]]{{$}} +; CHECK: i64.const $push[[L3:[0-9]+]]=, 0{{$}} +; CHECK: i64.store $drop=, 0($0), $pop[[L3]]{{$}} +define {i64,i32,i16,i8} @aggregate_return_without_merge() { + ret {i64,i32,i16,i8} zeroinitializer +} |