llvm-6502/test/CodeGen/X86/twoaddr-remat.ll
Evan Cheng 601ca4b434 Enable two-address remat by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52701 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 01:16:38 +00:00

68 lines
3.0 KiB
LLVM

; RUN: llvm-as < %s | llc -march=x86 | grep 59796 | count 3
%Args = type %Value*
%Exec = type opaque*
%Identifier = type opaque*
%JSFunction = type %Value (%Exec, %Scope, %Value, %Args)
%PropertyNameArray = type opaque*
%Scope = type opaque*
%Value = type opaque*
declare i1 @X1(%Exec) readonly
declare %Value @X2(%Exec)
declare i32 @X3(%Exec, %Value)
declare %Value @X4(i32) readnone
define internal %Value @fast3bitlookup(%Exec %exec, %Scope %scope, %Value %this, %Args %args) nounwind {
prologue:
%eh_check = tail call i1 @X1( %Exec %exec ) readonly ; <i1> [#uses=1]
br i1 %eh_check, label %exception, label %no_exception
exception: ; preds = %no_exception, %prologue
%rethrow_result = tail call %Value @X2( %Exec %exec ) ; <%Value> [#uses=1]
ret %Value %rethrow_result
no_exception: ; preds = %prologue
%args_intptr = bitcast %Args %args to i32* ; <i32*> [#uses=1]
%argc_val = load i32* %args_intptr ; <i32> [#uses=1]
%cmpParamArgc = icmp sgt i32 %argc_val, 0 ; <i1> [#uses=1]
%arg_ptr = getelementptr %Args %args, i32 1 ; <%Args> [#uses=1]
%arg_val = load %Args %arg_ptr ; <%Value> [#uses=1]
%ext_arg_val = select i1 %cmpParamArgc, %Value %arg_val, %Value inttoptr (i32 5 to %Value) ; <%Value> [#uses=1]
%toInt325 = tail call i32 @X3( %Exec %exec, %Value %ext_arg_val ) ; <i32> [#uses=3]
%eh_check6 = tail call i1 @X1( %Exec %exec ) readonly ; <i1> [#uses=1]
br i1 %eh_check6, label %exception, label %no_exception7
no_exception7: ; preds = %no_exception
%shl_tmp_result = shl i32 %toInt325, 1 ; <i32> [#uses=1]
%rhs_masked13 = and i32 %shl_tmp_result, 14 ; <i32> [#uses=1]
%ashr_tmp_result = lshr i32 59796, %rhs_masked13 ; <i32> [#uses=1]
%and_tmp_result15 = and i32 %ashr_tmp_result, 3 ; <i32> [#uses=1]
%ashr_tmp_result3283 = lshr i32 %toInt325, 2 ; <i32> [#uses=1]
%rhs_masked38 = and i32 %ashr_tmp_result3283, 14 ; <i32> [#uses=1]
%ashr_tmp_result39 = lshr i32 59796, %rhs_masked38 ; <i32> [#uses=1]
%and_tmp_result41 = and i32 %ashr_tmp_result39, 3 ; <i32> [#uses=1]
%addconv = add i32 %and_tmp_result15, %and_tmp_result41 ; <i32> [#uses=1]
%ashr_tmp_result6181 = lshr i32 %toInt325, 5 ; <i32> [#uses=1]
%rhs_masked67 = and i32 %ashr_tmp_result6181, 6 ; <i32> [#uses=1]
%ashr_tmp_result68 = lshr i32 59796, %rhs_masked67 ; <i32> [#uses=1]
%and_tmp_result70 = and i32 %ashr_tmp_result68, 3 ; <i32> [#uses=1]
%addconv82 = add i32 %addconv, %and_tmp_result70 ; <i32> [#uses=3]
%rangetmp = add i32 %addconv82, 536870912 ; <i32> [#uses=1]
%rangecmp = icmp ult i32 %rangetmp, 1073741824 ; <i1> [#uses=1]
br i1 %rangecmp, label %NumberLiteralIntFast, label %NumberLiteralIntSlow
NumberLiteralIntFast: ; preds = %no_exception7
%imm_shift = shl i32 %addconv82, 2 ; <i32> [#uses=1]
%imm_or = or i32 %imm_shift, 3 ; <i32> [#uses=1]
%imm_val = inttoptr i32 %imm_or to %Value ; <%Value> [#uses=1]
ret %Value %imm_val
NumberLiteralIntSlow: ; preds = %no_exception7
%toVal = call %Value @X4( i32 %addconv82 ) ; <%Value> [#uses=1]
ret %Value %toVal
}