diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/add-i64.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/add-i64.ll b/llvm/test/CodeGen/X86/add-i64.ll new file mode 100644 index 00000000000..4edc6aaeac7 --- /dev/null +++ b/llvm/test/CodeGen/X86/add-i64.ll @@ -0,0 +1,27 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86 +; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefixes=X64 + +define i32 @pr32690(i32) { +; X86-LABEL: pr32690: +; X86: # %bb.0: +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: xorl %eax, %eax +; X86-NEXT: addl $63, %ecx +; X86-NEXT: setb %al +; X86-NEXT: shldl $26, %ecx, %eax +; X86-NEXT: retl +; +; X64-LABEL: pr32690: +; X64: # %bb.0: +; X64-NEXT: movl %edi, %eax +; X64-NEXT: addq $63, %rax +; X64-NEXT: shrq $6, %rax +; X64-NEXT: # kill: def %eax killed %eax killed %rax +; X64-NEXT: retq + %2 = zext i32 %0 to i64 + %3 = add nuw nsw i64 %2, 63 + %4 = lshr i64 %3, 6 + %5 = trunc i64 %4 to i32 + ret i32 %5 +} |
