diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/imul.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/imul.ll | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/imul.ll b/llvm/test/CodeGen/X86/imul.ll index 99a4690a009..9d4d19332db 100644 --- a/llvm/test/CodeGen/X86/imul.ll +++ b/llvm/test/CodeGen/X86/imul.ll @@ -126,3 +126,48 @@ define i32 @mul40_32_minsize(i32 %A) minsize { %mul = mul i32 %A, 40 ret i32 %mul } + +define i32 @mul33_32(i32 %A) { +; X64-LABEL: mul33_32: +; X64: shll +; X64-NEXT: leal +; X86-LABEL: mul33_32: +; X86: shll +; X86-NEXT: addl + %mul = mul i32 %A, 33 + ret i32 %mul +} + +define i32 @mul31_32(i32 %A) { +; X64-LABEL: mul31_32: +; X64: shll +; X64-NEXT: subl +; X86-LABEL: mul31_32: +; X86: shll +; X86-NEXT: subl + %mul = mul i32 %A, 31 + ret i32 %mul +} + +define i32 @mul0_32(i32 %A) { +; X64-LABEL: mul0_32: +; X64: xorl %eax, %eax + %mul = mul i32 %A, 0 + ret i32 %mul +} + +define i32 @mul4294967295_32(i32 %A) { +; X64-LABEL: mul4294967295_32: +; X64: negl %edi +; X64-NEXT: movl %edi, %eax + %mul = mul i32 %A, 4294967295 + ret i32 %mul +} + +define i64 @mul18446744073709551615_64(i64 %A) { +; X64-LABEL: mul18446744073709551615_64: +; X64: negq %rdi +; X64-NEXT: movq %rdi, %rax + %mul = mul i64 %A, 18446744073709551615 + ret i64 %mul +} |
