llvm-for-llvmta/test/CodeGen/X86/ptr-rotate.ll

17 lines
488 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=i386-apple-darwin -mcpu=corei7 -o - < %s | FileCheck %s
define i32 @func(i8* %A) nounwind readnone {
; CHECK-LABEL: func:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: roll $27, %eax
; CHECK-NEXT: retl
entry:
%tmp = ptrtoint i8* %A to i32
%shr = lshr i32 %tmp, 5
%shl = shl i32 %tmp, 27
%or = or i32 %shr, %shl
ret i32 %or
}