diff options
Diffstat (limited to 'llvm/test/CodeGen/WebAssembly/mem-intrinsics-offsets.ll')
| -rw-r--r-- | llvm/test/CodeGen/WebAssembly/mem-intrinsics-offsets.ll | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/mem-intrinsics-offsets.ll b/llvm/test/CodeGen/WebAssembly/mem-intrinsics-offsets.ll new file mode 100644 index 0000000..abbd953 --- /dev/null +++ b/llvm/test/CodeGen/WebAssembly/mem-intrinsics-offsets.ll @@ -0,0 +1,48 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mcpu=mvp -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s + +; This test ensures that loads and stores generated for small memcpy et al use +; constant offset folding. + + +target triple = "wasm32-unknown-unknown" + +define void @call_memset(ptr) #0 { +; CHECK-LABEL: call_memset: +; CHECK: .functype call_memset (i32) -> () +; CHECK-NEXT: # %bb.0: +; CHECK-NEXT: i64.const $push0=, 0 +; CHECK-NEXT: i64.store 8($0):p2align=0, $pop0 +; CHECK-NEXT: i64.const $push1=, 0 +; CHECK-NEXT: i64.store 0($0):p2align=0, $pop1 +; CHECK-NEXT: # fallthrough-return + call void @llvm.memset.p0.i32(ptr align 1 %0, i8 0, i32 16, i1 false) + ret void +} + +define void @call_memcpy(ptr %dst, ptr %src) #0 { +; CHECK-LABEL: call_memcpy: +; CHECK: .functype call_memcpy (i32, i32) -> () +; CHECK-NEXT: # %bb.0: +; CHECK-NEXT: i64.load $push0=, 8($1):p2align=0 +; CHECK-NEXT: i64.store 8($0):p2align=0, $pop0 +; CHECK-NEXT: i64.load $push1=, 0($1):p2align=0 +; CHECK-NEXT: i64.store 0($0):p2align=0, $pop1 +; CHECK-NEXT: # fallthrough-return + call void @llvm.memcpy.p0.p0.i32(ptr align 1 %dst, ptr align 1 %src, i32 16, i1 false) + ret void +} + + +define void @call_memmove(ptr %dst, ptr %src) #0 { +; CHECK-LABEL: call_memmove: +; CHECK: .functype call_memmove (i32, i32) -> () +; CHECK-NEXT: # %bb.0: +; CHECK-NEXT: i64.load $2=, 0($1):p2align=0 +; CHECK-NEXT: i64.load $push0=, 8($1):p2align=0 +; CHECK-NEXT: i64.store 8($0):p2align=0, $pop0 +; CHECK-NEXT: i64.store 0($0):p2align=0, $2 +; CHECK-NEXT: # fallthrough-return + call void @llvm.memmove.p0.p0.i32(ptr align 1 %dst, ptr align 1 %src, i32 16, i1 false) + ret void +} |