llvm-6502/test/CodeGen/X86/2011-10-12-MachineCSE.ll
Bill Wendling f6fb7ed53c We need to verify that the machine instruction we're using as a replacement for
our current machine instruction defines a register with the same register class
as what's being replaced. This showed up in the SPEC 403.gcc benchmark, where it
would ICE because a tail call was expecting one register class but was given
another. (The machine instruction verifier catches this situation.)
<rdar://problem/10270968>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141830 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12 23:03:40 +00:00

117 lines
6.5 KiB
LLVM

; RUN: llc -verify-machineinstrs < %s
; <rdar://problem/10270968>
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.7.2"
%struct.optab = type { i32, [59 x %struct.anon.3] }
%struct.anon.3 = type { i32, %struct.rtx_def* }
%struct.rtx_def = type { [2 x i8], i8, i8, [1 x %union.rtunion_def] }
%union.rtunion_def = type { i64 }
%struct.insn_data = type { i8*, i8*, %struct.rtx_def* (%struct.rtx_def*, ...)*, %struct.insn_operand_data*, i8, i8, i8, i8 }
%struct.insn_operand_data = type { i32 (%struct.rtx_def*, i32)*, i8*, [2 x i8], i8, i8 }
@optab_table = external global [49 x %struct.optab*], align 16
@insn_data = external constant [0 x %struct.insn_data]
define %struct.rtx_def* @gen_add3_insn(%struct.rtx_def* %r0, %struct.rtx_def* %r1, %struct.rtx_def* %c) nounwind uwtable ssp {
entry:
%0 = bitcast %struct.rtx_def* %r0 to i32*
%1 = load i32* %0, align 8
%2 = lshr i32 %1, 16
%bf.clear = and i32 %2, 255
%idxprom = sext i32 %bf.clear to i64
%3 = load %struct.optab** getelementptr inbounds ([49 x %struct.optab*]* @optab_table, i32 0, i64 0), align 8, !tbaa !0
%handlers = getelementptr inbounds %struct.optab* %3, i32 0, i32 1
%arrayidx = getelementptr inbounds [59 x %struct.anon.3]* %handlers, i32 0, i64 %idxprom
%insn_code = getelementptr inbounds %struct.anon.3* %arrayidx, i32 0, i32 0
%4 = load i32* %insn_code, align 4, !tbaa !3
%cmp = icmp eq i32 %4, 1317
br i1 %cmp, label %if.then, label %lor.lhs.false
lor.lhs.false: ; preds = %entry
%idxprom1 = sext i32 %4 to i64
%arrayidx2 = getelementptr inbounds [0 x %struct.insn_data]* @insn_data, i32 0, i64 %idxprom1
%operand = getelementptr inbounds %struct.insn_data* %arrayidx2, i32 0, i32 3
%5 = load %struct.insn_operand_data** %operand, align 8, !tbaa !0
%arrayidx3 = getelementptr inbounds %struct.insn_operand_data* %5, i64 0
%predicate = getelementptr inbounds %struct.insn_operand_data* %arrayidx3, i32 0, i32 0
%6 = load i32 (%struct.rtx_def*, i32)** %predicate, align 8, !tbaa !0
%idxprom4 = sext i32 %4 to i64
%arrayidx5 = getelementptr inbounds [0 x %struct.insn_data]* @insn_data, i32 0, i64 %idxprom4
%operand6 = getelementptr inbounds %struct.insn_data* %arrayidx5, i32 0, i32 3
%7 = load %struct.insn_operand_data** %operand6, align 8, !tbaa !0
%arrayidx7 = getelementptr inbounds %struct.insn_operand_data* %7, i64 0
%8 = bitcast %struct.insn_operand_data* %arrayidx7 to i8*
%bf.field.offs = getelementptr i8* %8, i32 16
%9 = bitcast i8* %bf.field.offs to i32*
%10 = load i32* %9, align 8
%bf.clear8 = and i32 %10, 65535
%call = tail call i32 %6(%struct.rtx_def* %r0, i32 %bf.clear8)
%tobool = icmp ne i32 %call, 0
br i1 %tobool, label %lor.lhs.false9, label %if.then
lor.lhs.false9: ; preds = %lor.lhs.false
%idxprom10 = sext i32 %4 to i64
%arrayidx11 = getelementptr inbounds [0 x %struct.insn_data]* @insn_data, i32 0, i64 %idxprom10
%operand12 = getelementptr inbounds %struct.insn_data* %arrayidx11, i32 0, i32 3
%11 = load %struct.insn_operand_data** %operand12, align 8, !tbaa !0
%arrayidx13 = getelementptr inbounds %struct.insn_operand_data* %11, i64 1
%predicate14 = getelementptr inbounds %struct.insn_operand_data* %arrayidx13, i32 0, i32 0
%12 = load i32 (%struct.rtx_def*, i32)** %predicate14, align 8, !tbaa !0
%idxprom15 = sext i32 %4 to i64
%arrayidx16 = getelementptr inbounds [0 x %struct.insn_data]* @insn_data, i32 0, i64 %idxprom15
%operand17 = getelementptr inbounds %struct.insn_data* %arrayidx16, i32 0, i32 3
%13 = load %struct.insn_operand_data** %operand17, align 8, !tbaa !0
%arrayidx18 = getelementptr inbounds %struct.insn_operand_data* %13, i64 1
%14 = bitcast %struct.insn_operand_data* %arrayidx18 to i8*
%bf.field.offs19 = getelementptr i8* %14, i32 16
%15 = bitcast i8* %bf.field.offs19 to i32*
%16 = load i32* %15, align 8
%bf.clear20 = and i32 %16, 65535
%call21 = tail call i32 %12(%struct.rtx_def* %r1, i32 %bf.clear20)
%tobool22 = icmp ne i32 %call21, 0
br i1 %tobool22, label %lor.lhs.false23, label %if.then
lor.lhs.false23: ; preds = %lor.lhs.false9
%idxprom24 = sext i32 %4 to i64
%arrayidx25 = getelementptr inbounds [0 x %struct.insn_data]* @insn_data, i32 0, i64 %idxprom24
%operand26 = getelementptr inbounds %struct.insn_data* %arrayidx25, i32 0, i32 3
%17 = load %struct.insn_operand_data** %operand26, align 8, !tbaa !0
%arrayidx27 = getelementptr inbounds %struct.insn_operand_data* %17, i64 2
%predicate28 = getelementptr inbounds %struct.insn_operand_data* %arrayidx27, i32 0, i32 0
%18 = load i32 (%struct.rtx_def*, i32)** %predicate28, align 8, !tbaa !0
%idxprom29 = sext i32 %4 to i64
%arrayidx30 = getelementptr inbounds [0 x %struct.insn_data]* @insn_data, i32 0, i64 %idxprom29
%operand31 = getelementptr inbounds %struct.insn_data* %arrayidx30, i32 0, i32 3
%19 = load %struct.insn_operand_data** %operand31, align 8, !tbaa !0
%arrayidx32 = getelementptr inbounds %struct.insn_operand_data* %19, i64 2
%20 = bitcast %struct.insn_operand_data* %arrayidx32 to i8*
%bf.field.offs33 = getelementptr i8* %20, i32 16
%21 = bitcast i8* %bf.field.offs33 to i32*
%22 = load i32* %21, align 8
%bf.clear34 = and i32 %22, 65535
%call35 = tail call i32 %18(%struct.rtx_def* %c, i32 %bf.clear34)
%tobool36 = icmp ne i32 %call35, 0
br i1 %tobool36, label %if.end, label %if.then
if.then: ; preds = %lor.lhs.false23, %lor.lhs.false9, %lor.lhs.false, %entry
br label %return
if.end: ; preds = %lor.lhs.false23
%idxprom37 = sext i32 %4 to i64
%arrayidx38 = getelementptr inbounds [0 x %struct.insn_data]* @insn_data, i32 0, i64 %idxprom37
%genfun = getelementptr inbounds %struct.insn_data* %arrayidx38, i32 0, i32 2
%23 = load %struct.rtx_def* (%struct.rtx_def*, ...)** %genfun, align 8, !tbaa !0
%call39 = tail call %struct.rtx_def* (%struct.rtx_def*, ...)* %23(%struct.rtx_def* %r0, %struct.rtx_def* %r1, %struct.rtx_def* %c)
br label %return
return: ; preds = %if.end, %if.then
%24 = phi %struct.rtx_def* [ %call39, %if.end ], [ null, %if.then ]
ret %struct.rtx_def* %24
}
!0 = metadata !{metadata !"any pointer", metadata !1}
!1 = metadata !{metadata !"omnipotent char", metadata !2}
!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
!3 = metadata !{metadata !"_ZTS9insn_code", metadata !1}