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llvm-mirror/test/CodeGen/WebAssembly/i64-load-store-alignment.ll
Thomas Lively 81bb5f99ad [WebAssembly] Remove datalayout strings from llc tests
The data layout strings do not have any effect on llc tests and will become
misleadingly out of date as we continue to update the canonical data layout, so
remove them from the tests.

Differential Revision: https://reviews.llvm.org/D105842
2021-07-14 11:17:08 -07:00

371 lines
11 KiB
LLVM

; RUN: llc < %s -mattr=+atomics -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s
; Test loads and stores with custom alignment values.
target triple = "wasm32-unknown-unknown"
;===----------------------------------------------------------------------------
; Loads
;===----------------------------------------------------------------------------
; CHECK-LABEL: ldi64_a1:
; CHECK-NEXT: .functype ldi64_a1 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load $push[[NUM:[0-9]+]]=, 0($0):p2align=0{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi64_a1(i64 *%p) {
%v = load i64, i64* %p, align 1
ret i64 %v
}
; CHECK-LABEL: ldi64_a2:
; CHECK-NEXT: .functype ldi64_a2 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load $push[[NUM:[0-9]+]]=, 0($0):p2align=1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi64_a2(i64 *%p) {
%v = load i64, i64* %p, align 2
ret i64 %v
}
; CHECK-LABEL: ldi64_a4:
; CHECK-NEXT: .functype ldi64_a4 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load $push[[NUM:[0-9]+]]=, 0($0):p2align=2{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi64_a4(i64 *%p) {
%v = load i64, i64* %p, align 4
ret i64 %v
}
; 8 is the default alignment for i64 so no attribute is needed.
; CHECK-LABEL: ldi64_a8:
; CHECK-NEXT: .functype ldi64_a8 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi64_a8(i64 *%p) {
%v = load i64, i64* %p, align 8
ret i64 %v
}
; The default alignment in LLVM is the same as the default alignment in wasm.
; CHECK-LABEL: ldi64:
; CHECK-NEXT: .functype ldi64 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi64(i64 *%p) {
%v = load i64, i64* %p
ret i64 %v
}
; 16 is greater than the default alignment so it is ignored.
; CHECK-LABEL: ldi64_a16:
; CHECK-NEXT: .functype ldi64_a16 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi64_a16(i64 *%p) {
%v = load i64, i64* %p, align 16
ret i64 %v
}
;===----------------------------------------------------------------------------
; Extending loads
;===----------------------------------------------------------------------------
; CHECK-LABEL: ldi8_a1:
; CHECK-NEXT: .functype ldi8_a1 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load8_u $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi8_a1(i8 *%p) {
%v = load i8, i8* %p, align 1
%w = zext i8 %v to i64
ret i64 %w
}
; CHECK-LABEL: ldi8_a2:
; CHECK-NEXT: .functype ldi8_a2 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load8_u $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi8_a2(i8 *%p) {
%v = load i8, i8* %p, align 2
%w = zext i8 %v to i64
ret i64 %w
}
; CHECK-LABEL: ldi16_a1:
; CHECK-NEXT: .functype ldi16_a1 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load16_u $push[[NUM:[0-9]+]]=, 0($0):p2align=0{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi16_a1(i16 *%p) {
%v = load i16, i16* %p, align 1
%w = zext i16 %v to i64
ret i64 %w
}
; CHECK-LABEL: ldi16_a2:
; CHECK-NEXT: .functype ldi16_a2 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load16_u $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi16_a2(i16 *%p) {
%v = load i16, i16* %p, align 2
%w = zext i16 %v to i64
ret i64 %w
}
; CHECK-LABEL: ldi16_a4:
; CHECK-NEXT: .functype ldi16_a4 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load16_u $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi16_a4(i16 *%p) {
%v = load i16, i16* %p, align 4
%w = zext i16 %v to i64
ret i64 %w
}
; CHECK-LABEL: ldi32_a1:
; CHECK-NEXT: .functype ldi32_a1 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load32_u $push[[NUM:[0-9]+]]=, 0($0):p2align=0{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi32_a1(i32 *%p) {
%v = load i32, i32* %p, align 1
%w = zext i32 %v to i64
ret i64 %w
}
; CHECK-LABEL: ldi32_a2:
; CHECK-NEXT: .functype ldi32_a2 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load32_u $push[[NUM:[0-9]+]]=, 0($0):p2align=1{{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi32_a2(i32 *%p) {
%v = load i32, i32* %p, align 2
%w = zext i32 %v to i64
ret i64 %w
}
; CHECK-LABEL: ldi32_a4:
; CHECK-NEXT: .functype ldi32_a4 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load32_u $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi32_a4(i32 *%p) {
%v = load i32, i32* %p, align 4
%w = zext i32 %v to i64
ret i64 %w
}
; CHECK-LABEL: ldi32_a8:
; CHECK-NEXT: .functype ldi32_a8 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.load32_u $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi32_a8(i32 *%p) {
%v = load i32, i32* %p, align 8
%w = zext i32 %v to i64
ret i64 %w
}
;===----------------------------------------------------------------------------
; Stores
;===----------------------------------------------------------------------------
; CHECK-LABEL: sti64_a1:
; CHECK-NEXT: .functype sti64_a1 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store 0($0):p2align=0, $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti64_a1(i64 *%p, i64 %v) {
store i64 %v, i64* %p, align 1
ret void
}
; CHECK-LABEL: sti64_a2:
; CHECK-NEXT: .functype sti64_a2 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store 0($0):p2align=1, $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti64_a2(i64 *%p, i64 %v) {
store i64 %v, i64* %p, align 2
ret void
}
; CHECK-LABEL: sti64_a4:
; CHECK-NEXT: .functype sti64_a4 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store 0($0):p2align=2, $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti64_a4(i64 *%p, i64 %v) {
store i64 %v, i64* %p, align 4
ret void
}
; 8 is the default alignment for i32 so no attribute is needed.
; CHECK-LABEL: sti64_a8:
; CHECK-NEXT: .functype sti64_a8 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti64_a8(i64 *%p, i64 %v) {
store i64 %v, i64* %p, align 8
ret void
}
; The default alignment in LLVM is the same as the default alignment in wasm.
; CHECK-LABEL: sti64:
; CHECK-NEXT: .functype sti64 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti64(i64 *%p, i64 %v) {
store i64 %v, i64* %p
ret void
}
; CHECK-LABEL: sti64_a16:
; CHECK-NEXT: .functype sti64_a16 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti64_a16(i64 *%p, i64 %v) {
store i64 %v, i64* %p, align 16
ret void
}
;===----------------------------------------------------------------------------
; Truncating stores
;===----------------------------------------------------------------------------
; CHECK-LABEL: sti8_a1:
; CHECK-NEXT: .functype sti8_a1 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store8 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti8_a1(i8 *%p, i64 %w) {
%v = trunc i64 %w to i8
store i8 %v, i8* %p, align 1
ret void
}
; CHECK-LABEL: sti8_a2:
; CHECK-NEXT: .functype sti8_a2 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store8 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti8_a2(i8 *%p, i64 %w) {
%v = trunc i64 %w to i8
store i8 %v, i8* %p, align 2
ret void
}
; CHECK-LABEL: sti16_a1:
; CHECK-NEXT: .functype sti16_a1 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store16 0($0):p2align=0, $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti16_a1(i16 *%p, i64 %w) {
%v = trunc i64 %w to i16
store i16 %v, i16* %p, align 1
ret void
}
; CHECK-LABEL: sti16_a2:
; CHECK-NEXT: .functype sti16_a2 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store16 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti16_a2(i16 *%p, i64 %w) {
%v = trunc i64 %w to i16
store i16 %v, i16* %p, align 2
ret void
}
; CHECK-LABEL: sti16_a4:
; CHECK-NEXT: .functype sti16_a4 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store16 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti16_a4(i16 *%p, i64 %w) {
%v = trunc i64 %w to i16
store i16 %v, i16* %p, align 4
ret void
}
; CHECK-LABEL: sti32_a1:
; CHECK-NEXT: .functype sti32_a1 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store32 0($0):p2align=0, $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti32_a1(i32 *%p, i64 %w) {
%v = trunc i64 %w to i32
store i32 %v, i32* %p, align 1
ret void
}
; CHECK-LABEL: sti32_a2:
; CHECK-NEXT: .functype sti32_a2 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store32 0($0):p2align=1, $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti32_a2(i32 *%p, i64 %w) {
%v = trunc i64 %w to i32
store i32 %v, i32* %p, align 2
ret void
}
; CHECK-LABEL: sti32_a4:
; CHECK-NEXT: .functype sti32_a4 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store32 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti32_a4(i32 *%p, i64 %w) {
%v = trunc i64 %w to i32
store i32 %v, i32* %p, align 4
ret void
}
; CHECK-LABEL: sti32_a8:
; CHECK-NEXT: .functype sti32_a8 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.store32 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti32_a8(i32 *%p, i64 %w) {
%v = trunc i64 %w to i32
store i32 %v, i32* %p, align 8
ret void
}
;===----------------------------------------------------------------------------
; Atomic loads
;===----------------------------------------------------------------------------
; Wasm atomics have the alignment field, but it must always have the type's
; natural alignment.
; CHECK-LABEL: ldi64_atomic_a8:
; CHECK-NEXT: .functype ldi64_atomic_a8 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.atomic.load $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi64_atomic_a8(i64 *%p) {
%v = load atomic i64, i64* %p seq_cst, align 8
ret i64 %v
}
; 16 is greater than the default alignment so it is ignored.
; CHECK-LABEL: ldi64_atomic_a16:
; CHECK-NEXT: .functype ldi64_atomic_a16 (i32) -> (i64){{$}}
; CHECK-NEXT: i64.atomic.load $push[[NUM:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM]]{{$}}
define i64 @ldi64_atomic_a16(i64 *%p) {
%v = load atomic i64, i64* %p seq_cst, align 16
ret i64 %v
}
;===----------------------------------------------------------------------------
; Atomic stores
;===----------------------------------------------------------------------------
; CHECK-LABEL: sti64_atomic_a4:
; CHECK-NEXT: .functype sti64_atomic_a4 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.atomic.store 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti64_atomic_a4(i64 *%p, i64 %v) {
store atomic i64 %v, i64* %p seq_cst, align 8
ret void
}
; 16 is greater than the default alignment so it is ignored.
; CHECK-LABEL: sti64_atomic_a8:
; CHECK-NEXT: .functype sti64_atomic_a8 (i32, i64) -> (){{$}}
; CHECK-NEXT: i64.atomic.store 0($0), $1{{$}}
; CHECK-NEXT: return{{$}}
define void @sti64_atomic_a8(i64 *%p, i64 %v) {
store atomic i64 %v, i64* %p seq_cst, align 16
ret void
}